For each compound, click on the correct answer.  If the answer is correct, you will be told that it is correct and you will be given the next formula.  If you are wrong, you will be returned to the same question for another try. You may scan through the yellow  part of the page for help on naming each compound.  Good Luck!                             CLICK HERE TO BEGIN!!

1.CaF2

 calcium difluoride
calcium fluorine
  calcium fluoride 

 .




2. NaNO3
 sodium nitrite
 sodium nitrate
 sodium nitroxide

.




3. CuBr2
 copper II bromide
copper I bromide
 copper bromide

.



4. P2O5

 phosphorus oxide
diphosphorus pentoxide
 phosphorus pentoxide

.




5. H2SO3
 sulfuric acid
hydrogen sulfate
sulfurous acid 

.



6. Al2(SO4)3

 aluminum sulfate
aluminum III sulfate
aluminum sulfoxide 

.




7. Ag2S
 silver sulfide
silver II sulfide
disilver monosulfide 

.




8. KNO3
 nitric acid 
 nitrous acid
potassium nitrate

.



9. Pb3(PO4)2

 lead phosphate
lead II phosphate
lead III phosphate

.





10. OF2
 oxidedifluoride
monoxide difluorine
oxygen difluoride

.




11. HCl
chlorous acid
chloric acid
hydrochloric acid 

.




12. AgCN
silver carbon nitride 
silver II cyanide
silver cyanide

.



13. K2S
potassium sulfide 
potassium sulfate
dipotassium sulfate 

.




14. (NH4)2SO3
ammonium sulfite 
ammounium sulfide
ammonium sulfoxide 

.




15. Cu(OH)2
copper hydroxide 
copper II hydroxide
copper I hydroxide

.



16. PBr5
phosphorus pentabromide 
phosphorus bromide
phosphorus tetrabromide

.




17. HNO3
 nitric acid
hydrogen nitrite
hydronitric acid

.




18. Mg(OH)2
 magnesium II hydroxide
magnesium hydroxide
 magnesium acetate

.




19. CaI2
calcium diiodide 
calcium iodide
 calcium II iodide

.




20. Na2CrO4
 disodium chromate
sodium chromate
sodium dichromate

.



21. SnCl2
 tin II chloride
tin chlorine
tin chloride

.




22. NI3
 nitrogen triiodide
nitro iodide
 nitrogen iodide

.



23. HBr
 hydrogen bromate
hydrobromic acid
bromic acid 

.



24. KMnO4
 potassium manganate
sodium permanganate
potassium permanganate

.



25. Ag2O
 silver monoxide
silver II oxide
silver oxide

.



26. AgClO4

 silver chlorinate
silver perchlorate
silver IV perchlorate

.



27. CoCl3
 cobalt chloride
cobalt trichloride
cobalt III chloride

.



28. SO3
 sulfate
sulfur trioxide
sulfur oxide

.




29. HCN
 hydrocyanic acid
cyanic acid
hydrogen cyanate

.




30. Mg(NO3)2
 magnesium II nitrate
magnesium nitrite
magnesium nitrate

.



31. MgO

 magnesium II oxide
magnesium oxide
magnesium monoxide

.



32. Ca(ClO3)2

 calcium chlorate
calcium perchlorate
calcium chlorite

.



33. NiI2

 nitrogen diiodide
nickel II iodide
nickle iodide

.




34. CO
 carbon oxide
carbon II oxide
 carbon monoxide

.



35. H2SO4

 sulfuric acid
hydrosulfuric acid
sulfurous acid

.




36. Na3PO4
 sodium III phosphate
sodium triphosphate
sodium phosphate

.




37. KI
 potassium moniodide
potassium iodate
potassium iodide

.




38. Li2CrO4
 dilithium chromate
lithium chromate
lithium dichromate

.




39. Fe(HSO3)2
 iron hydrogen sulfate
iron II bisulfite
iron III hydrogen sulfate

.




40. PF5
 phosphorus pentafluoride
phosphorus fluoride
monophosphorus tetrafluoride

.



41. HClO4
 hydrogen chlorinate
hydrogen chlorate
perchloric acid

.



42. CaSO4
 calcium II sulfate
calcium sulfate
calcium IV sulfate

.



43. CaS
 calcium sulfide
calcium sulfate
calcium monosulfide

.



44. Al(C2H3O2)3
 aluminum II acetate
aluminum acetate
aluminum acetic acid

.



45. CuSO4
 copper sulfate
copper IV sulfate
copper II sulfate

.



46. IF3
 iodide trifluoride
iodine fluoride
iodine trifluoride

.



47. H2CO3
 hydrogen carboxide
hydrocarbonic acid
carbonic acid

.



48. Al2O3
 aluminum III oxide
aluminum oxide
aluminum II oxide

.



49. Ag3PO4
 silver phosphate
silver III phosphate
silver IV phosphate

.




50. CuCl
 copper chloride
copper I chloride
copper II chloride

.



51. P4O6
 phosphorus oxide
phosphorus hexoxide
tetraphosphorus hexoxide

.



52. HC2H3O2
hydrogen acetate 
acetate acid
acetic acid

.



53. NH4OH
 ammonium nitroxide
nitrogen hydroxide
 ammonium hydroxide

.



54. KCl
potassium monochloride 
potassium chloride
potassium chlorine

.



55. MgCO3
manganese carbonate 
magnesium carbonate
magnesium III carbonate

.



56. Fe2(CO3)3
iron carbonate 
iron II carbonate
iron III carbonate

.



57. N2O3
nitrate 
nitric acid
dinitrogen trioxide

.



58. H3PO4
hydrogen phosphate 
hydrophosphoric acid
phosphoric acid

.




59. Al(OH)3
aluminum hydroxide 
aluminum trihydroxide
aluminum III hydroxide

.




60. ZnO
zinc oxide 
zinc monoxide
zinc II oxide

.



61. (NH4)2Cr2O7
ammonium chromate
ammonium dichromate
aluminum dichromate

.



62. Hg(ClO4)2
mercury perchloride 
mercury permanganate
mercury II perchlorate

.



63. N2O
nitrogen oxide 
nitrogen II oxide
dinitrogen monoxide

.



64. Ba(OH)2
barium II hydroxide 
barium hydroxide
barium hydrate

.



65. LiI
lithium moniodide 
lithium iodide
lithium iodine

.



66. CaCO3
calcium carboxide 
calcium III carbonate
calcium carbonate

.




67. CoI2
cobalt II iodide 
cobalt diiodide
cobalt iodide

.



68. P4S10
phosphorus sulfide 
phosphorus sulfate
tetraphosphorus decasulfide

.



69. Al(NO3)3
aluminum nitrate 
aluminum trinitrate
aluminum III nitrate

.




70. ZnCl2
zinc II chloride 
zinc dichloride
zinc chloride

.



71. LiMnO4
lithium IV manganate 
lithium manoxide
lithium permanganate

.



72. Cr(HCO3)2
chromium bicarbonate 
chromium II bicarbonate
chromium acetate

.



73. CO2
carbon monoxide 
carbon dioxide
carbonite

.



74. MgSO4
magnesium sulfate 
manganese sulfate
magnesium IV sulfate

.



75. KF
 potassium monofluoride
potassium fluoride
potassium II fluoride

.



76. NH4Cl
ammonium chloride 
ammonium chlorine
nitrate chloride

.



77. Pb(HCO3)4
lead acetate 
lead IV bicarbonate
lead carbonate

.



78. N2O5
dinitrogen pentoxide 
nitrogen II oxide
nitrogen oxide

.



79. Ba(NO3)2
barium nitrate 
barium II nitrate
barium nitrite

.




80. NaCl
sodium monochloride
sodium chloride
sodium chlorine

.



81. Be(OH)2
berrel hydroxide 
beryllium hydroxide
beryllium II hydroxide

.



82. FeBr3
iron bromide 
iron tribromide
iron III bromide

.



83. CCl4
carbon chloride 
carbon tetrachloride
carbon IV chloride

.



84. NaCN
sodium thiocyanide 
sodium cyanide
sodium cyanate

.



85. AlBr3
aluminum bromide 
aluminum tribromide
aluminum III bromide

.



86. SF6
sulfur fluoride 
sulfur hexafluoride
monosulfur heptafluoride

.



87. HgCl2
mercury dichloride 
mercury I chloride
mercury II chloride

.



88. S3N2
sulfur nitride 
sulfur nitrate
trisulfur dinitrogen

.



89. PbO
lead oxide 
lead monoxide
lead II oxide

.




90. MgI2
magnesium diiodide 
magnesium iodide
magnesium II iodide

.



91. K2O
potassium monoxide 
potassium oxide
potassium II oxide

.



92. Fe2O3
iron oxide 
iron II oxide
iron III oxide

.



93. NCl3
nickel III chloride 
nitrogen chloride
nitrogen trichloride

.



94. Sn3(PO4)2
tin II phosphate 
tin III phosphate
tin phosphate

.



95. NaBr
sodium bromide 
sodium bromate
sodium monobromide

.



96. ICl
iodide chloride 
iodine monochloride
iodine monocarbon

.



97. Cr(OH)3
chromium trihydroxide
chromium III hydroxide
chromium hydrate

.



98. SO3
sulfate 
sulfite
sulfur trioxide

.



99. Na2O
sodium oxide 
sodium II oxide
sodium monoxide

.




100. Na2SO4
sodium sulfate 
sodium II sulfate
sodium III sulfate

 .





This compound does not need a prefix.
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Watch out for the ending.
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Calcium fluoride is correct!
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That is not the nitrite ion.
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Sodium nitrate is correct.
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There is no such thing as a nitroxide ion.
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Copper II bromide is correct.
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This would not have a balanced charge.
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Copper needs a roman numeral.
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Here is a hint: phosphorus and oxygen are both nonmetals.
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Very good. Diphosphorus pentoxide is the correct answer.
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Both of the elements are going to need prefixes.
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That is the sulfite ion not the sulfate ion.
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Remember that the formulas that start with H are going to be acids.
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Good job. Sulfurous acid is correct.

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Aluminum sulfate is the correct answer.
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Aluminum does not need a roman numeral.
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There is a polyatomic ion in the formula. What is it?
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Silver sulfide is the correct answer.
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Silver does not need a roman numeral.
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This is not a covalent molecule. The name will not have a prefix in it.
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Acids start with H not K.
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Acids start with H not K.
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Potassium nitrate is the correct answer.
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Lead needs a roman numeral.
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Lead II phosphate is correct.
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The charge on the lead is not +3.  Try and balance the formula.
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Remember that the name of the first element in a covalent molecule is not changed.
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Look at the prefix for the first element. Something is wrong with it.
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Oxygen difluoride is correct.
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What is the name of the Cl- ion?
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Better check the table. What is the name of the Cl- ion?
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Hydrochloric acid is correct.
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Carbon nitride? Is that really a polyatomic ion?
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Silver does not need a roman numeral.
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Silver cyanide. is correct.
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Potassium sulfide is correct.
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The sulfate ion is not in the formula.
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This is not a covalent molecule. It does not use prefixes.
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Ammonium sulfite is the correct answer.
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That is not the sulfide ion. Look it up on the table.
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Just what is sulfoxide?
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Copper needs a roman numeral.
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Copper II hydroxide is the correct answer.
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The charge on this copper is not +1. Try balancing the formula.
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Phosphorus pentabromide is correct.
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These are two nonmetals. The name will need to use prefixes.
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Better check the prefix for five.
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Nitric acid is correct.
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Remember if the formula stats with H, it will be named as an acid.
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You do not need the hydro- prefix for the -ate suffix.
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Magnesium does not need a roman numeral.
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Magnesium hydroxide is correct.
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That is not the acetate ion. Better use the table!
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This formula will not use prefixes. It is an ionic compound.
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Calcium Iodide is correct.
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Calcium does not need a roman numeral.
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Ionic formulas do not use prefixes.
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Sodium chromate is correct.
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That is not the dichromate ion. Better check the table.
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Tin II chloride is correct.
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Binary ionic names end in -ide.
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Tin needs a roman numeral.
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Nitrogen triiodide is correct.
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This name is missing something!
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These are two nonmetals. What is missing in the name?
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All formulas beginning with H are to be named as acids.
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Hydrobromic acid is correct.
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You are missing a certian prefix.
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Check the table of polyatomic ions.
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K is not sodium.
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Potassium permanganate is correct.
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Prefixes are not used for ionic formulas.
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Silver does not need a roman numeral.
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Silver oxide is correct.
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Better check that polyatomic ion.
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Silver perchlorate is correct.
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Silver does not need a roman numeral.
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Ions of cobalt need a roman numeral.
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This is ionic not covalent. Do not use the prefix.
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Cobalt III chloride is correct.
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This is a formula for a compound not just an ion.
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Sulfur trioxide is corrrect.
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Covalent compounds use prefixes.
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Hydrocyanic acid is correct.
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The name is missing a prefix.
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Remember, formulas that start with H are to be named as an acid.
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Magnesium does not need a roman numeral.
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That is not the nitrite ion. Check the table.
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Magnesium nitrate is correct.
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Magnesium does not need a roman numeral.
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Magnesium oxide is correct.
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This is not a covalent compound. It does not use prefixes.
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Calcium chlorate is correct.
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That is not the perchlorate ion. Check the table.
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That is not the chlorite ion. Check the table.
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That is not nitrogen.
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Nickel II iodide is correct.
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Ions of nickel need roman numerals.
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Hint: these are two nonmetals!
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Hint: these are two nonmetals!
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Carbon monoxide is correct.
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Sulfuric acid is correct.
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The prefix is not needed.
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Better check the suffix on the anion.
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Sodium does not need a roman numeral.
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The name will not use a prefix.
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Sodium phosphate is correct.
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This is binary ionic. It does not use prefixes.
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Better check the table. That is not the iodate ion.
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Potassium iodide is correct.
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Lithium will not use prefixes.
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Lithium chromate is correct.
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That is not the dichromate ion. Better check the table.
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Ions of iron need roman numerals.
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Iron II bisulfite is correct.
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Better check the charge on the bisulfite ion.
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Phosphorus pentafluoride is correct.
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Hint: these are two nonmetals.
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Better check the prefixes.
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Remember all formulas beginning with H are to be treated as an acid.
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Remember all formulas beginning with H are to be treated as an acid.
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Perchloric acid is correct.
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Calcium does not need a roman numeral.
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Calcium sulfate is correct.
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Calcium does not need a roman numeral.
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Calcium sulfide is correct.
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That is not the sulfate ion.
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Ionic formulas do not use prefixes.
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Aluminum does not need roman numerals.
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Aluminum acetate is correct.
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Acids begin with H.
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Ions of copper need roman numerals.
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That is the wrong roman numeral. Better balance the formula.
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Copper II sulfate is correct.
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The name of the first element should not be changed.
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The name will use prefixes.
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Iodine trifluoride is correct.
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Just what is carboxide?
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There seems to be an extra prefix here.
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Carbonic acid is correct.
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Aluminum does not need a roman numeral.
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Aluminum oxide is corrrect.
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Aluminum does not need a roman numeral.
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Silver phosphate is correct.
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Silver does not need a roman numeral.
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Silver does not need a roman numeral.
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Ions of copper need a roman numeral.
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Copper I chloride is correct.
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Try balancing the formula. The charge on the copper ion is not +2.
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Here is a hint: both of these are nonmetals.
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Both elements will need prefixes.
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Tetraphosphorus hexoxide is correct.
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Remember, formulas beginning with H are named as acids.
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You need to change the ending on the acetate ion.
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Acetic acid is correct.
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Just what is nitroxide?
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Check the table of polyatomic ions.
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Ammonium hydroxide is correct.
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Ionic compounds do not use prefixes.
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Potassium chloride is correct.
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Check the ending on the anion.
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That is not manganese.
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Magnesium carbonate is correct.
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Magnesium does to need a roman numeral.
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Ions of iron will need roman numerals.
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Try balancing the formula again.
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Iron III carbonate is correct.
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This is not a polyatomic ion.
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Remember formulas for acids start with H.
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Dinitrogen trioxide is correct.
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Remember, formulas beginning with H are named as acids.
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This name has an extra prefix.
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Phosphoric acid is correct.
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Aluminum hydroxide is correct.
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Ionic compounds do not use prefixes.
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Aluminum does not need a roman numeral.
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Zinc oxide is correct.
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Ionic compounds do not use prefixes.
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Zinc does not need a roman numeral.
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Check the table of polyatomic ions.
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Ammonium dichromate is correct.
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Is that really aluminum?
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Check the ending of the polyatomic ion.
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Check the table of polyatomic ions.
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Mercury II perchlorate is correct.
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Here is a hint: these are both nonmetals.
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Nitrogen does not use a roman numeral.
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Dinitrogen monoxide is correct.
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Barium does not need a roman numeral.
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Barium hydroxide is correct.
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Check the table of polyatomic ions.
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Prefixs are not used in a ionic compound.
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Lithium iodide is correct.
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Check the ending of the anion.
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Just what is carboxide? Check the table of polyatomic ions.
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Calcium does not need a roman numeral.
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Calcium carbonate is correct.
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Cobalt II iodide is correct.
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The use of a prefix is incorrect in this situation.
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Ions of cobalt need roman numerals.
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Hint: these are two nonmetals.
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Do you see a sulfate ion?
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Tetraphosphorus decasulfide is correct.
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Aluminum nitrate is correct.
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The use of a prefix is incorrect in this situation.
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Aluminum does not need a roman numeral.
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Zinc does not need a roman numeral.
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The use of a prefix is incorrect in this situation.
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Zinc chloride is correct.
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The use of a roman numeral is incorrect in this situation.
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Just what is manoxide? Check the table of polyatomic ions.
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Lithium permanganate is correct.
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Chromium ions need roman numerals.
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Chromium II bicarbonate is correct.
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Check the table of polyatomic ions.
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What is the prefix for two?
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Carbon dioxide is correct.
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Hint: there are two nonmetal here.
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Magnesium sulfate is correct.
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Look at the formula again. Is that really manganese?
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Magnesium does not need roman numerals.
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Ionic compounds do not use prefixes.
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Potassium fluoride is correct.
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Potassium does not need a roman numeral.
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Ammonium chloride is correct.
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Check the ending on the anion.
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Is that really nitrate?
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Is that really acetate?
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Lead IV bicarbonate is correct.
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Check the table of polyatomic ions and ions of lead needs a roman numeral
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Dinitrogen pentoxide is correct.
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Hint: these are two nonmetals.
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Don't you need some prefixes?
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Barium nitrate is correct.
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Barium does not need a roman numeral.
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Check the table of polyatomic ions.
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Ionic compounds do not use prefixes.
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Sodium chloride is correct.
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Check the ending on the anion.
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Is that really berrel?
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Beryllium hydroxide is correct.
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Beryllium does not need a roman numeral.
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Ions of iron need roman numerals.
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The use of a prefix is incorrect.
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Iron III bromide is correct.
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Hint: these are two nonmetals.
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Carbon tetrachloride is correct.
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The use of a roman numeral is incorrect.
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Check the table of polyatomic ions.
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Sodium cyanide is correct.
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Check the table of polyatomic ions.
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Aluminum bromide is correct.
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The use of a prefix is incorrect.
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The use of a roman numeral is incorrect.
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You need to use prefixes for this one.
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Sulfur hexafluoride is correct.
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Check the prefixes.
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The use of a prefix is incorrect.
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Try balancing the formula again.
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Mercury II chloride is correct.
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You need to use prefixes for this one.
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Is that really nitrate?
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Trisulfur dinitrogen is correct.
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You need to use a roman numeral for this one.
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The use of a prefix is incorrect.
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Lead II oxide is correct.
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The use of a prefix is incorrect.
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Magnesium iodide is correct.
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The use of a roman numeral is incorrect.
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The use of a prefix is incorrect.
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Potassium oxide is correct.
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The use of a roman numeral is incorrect.
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You need to use a roman numeral for this one.
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Try balancing the formaula again.
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Iron III oxide is correct.
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Is that nickel?
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You need to use a prefix for this one.
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Nitrogen trichloride is correct.
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Tin II phosphate is correct.
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Try balancing the charge again.
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You need to use a roman numeral for this one.
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Sodium bromide is correct.
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Is that really bromate?
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The use of a prefix is incorrect.
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Hint: these are two nonmetals.
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Iodine monochloride is correct.
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Is that carbon?
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The use of a prefix is incorrect.
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Chromium III hydroxide is correct.
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Check the table of polyatomic ions.
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This is not the polyatomic ion. Hint: these are two nonmetals.
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This is not the polyatomic ion. Hint: these are two nonmetals.
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Sulfur trioxide is correct.
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Sodium oxide is correct.
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The use of a roman numeral is incorrect.
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The use of a prefix is incorrect.
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Sodium sulfate is correct. Congratulations you named all 100 compounds!

Naming Quiz





The use of a roman numeral is incorrect.
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The use of a roman numeral is incorrect.
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