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Chemistry
9th -
12thgrade
Naming Ionic Compounds with Polyatomic Ions
23 questions
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- 1. Multiple Choice
What is the formula for sodium nitrate?
NaN
NaNO2
NaNO3
Na3N
- 2. Multiple Choice
What ionic compound is form between lithium and carbonate?
LiCO3
LiCO
LiC3
Li2CO3
- 3. Multiple Choice
What is the formula for ammonium sulfate?
NH3SO4
(NH4)2SO4
NH4(SO4)2
NH42SO4
- 4. Multiple Choice
What is the name of the following compound: Pb3(PO4)4
Lead IV Phosphte
Lead Phosphate
Lead IV Phosphide
Lead Phosphide
- 5. Multiple Choice
What is ammonium phosphate's formula?
N3P3
NH4PO4
NH43PO4
(NH4)3PO4
- 6. Multiple ChoiceWhat is the name of K3PO4?Tripotassium PhosphateTripotassium PhosphitePotassium phosphidePotassium phosphate
- 7. Multiple ChoiceWhat is the name of Al(NO3)3?Aluminum trinitrateMonoaluminum nitrateAluminum (III) nitrateAluminum Nitrate
- 8. Multiple ChoiceName the following ionic compound: Cr(NO2)3chromium nitritechromium nitridechromium III nitridechromium III nitrite
- 9. Multiple ChoiceThe proper formula for magnesium hydroxide:MgOHMg2OHMg(OH)2Mg2OH2
- 10. Multiple ChoiceIf copper (II) and phosphate bond together, the resulting chemical formula would be:Cu2(PO4)3CuPO4Cu3(PO4)2Cu3PO4
- 11. Multiple ChoiceWhat is the formula for iron(II) carbonate?Fe2CO3FeCO3Fe2CO2FeCO4
- 12. Multiple ChoiceName this compound:
Ca2CO3Calcium carbon oxideCalcium (II) carbonateCalcium carbonateCarbonate (I) calcide - 13. Multiple Choice
What is the name of the compound KClO3?
potassium chlorate
potassium chlorioxide
Potassium chlorine trioxyide
Potassium chloride
- 14. Multiple ChoiceWhat is the name of the compound Li3N?Lithium-3 NitrideLithide NitrogenLithium NitrideLithium Nitrogen
- 15. Multiple ChoiceWhat is the name of the compound Ga2Se3?Gallium-2 SelenideGallium SelenideGallium SeleniumGallide Selenium
- 16. Multiple Choice
Which of these is NOT a polyatomic ion?
OH- in Fe(OH)3
NO2- in KNO2
HSO4- in Sn(HSO4)4
NH4+ in NaNH4
Cl- in MgCl2
- 17. Multiple Choice
Why are they called polyatomic ions?
They can form many different types of ions.
They are especially common ions, so there are many of them.
They are groups (many) atoms that are bonded together and act together as an ion.
- 18. Multiple Choice
What do the roman numerals after some ions mean? Example: Fe(II)
There are more than one of these ions bonded together
They tell the charge for a element that forms ions with several different charges.
It specifies how many of these ions are needed in a compound.
They tell which group the element is in
- 19. Multiple ChoiceIonic compounds are written withcation (+ ion) first then anion (- ion)anion (- ion) first then cation (+ ion)either way is finepolyatomic ions first
- 20. Multiple Choice
When adding a subscript to a polyatomic ion, you should...
multiply any subscripts on the polyatomic ion by the subscript you are adding
put brackets () around the polyatomic ion before adding a subscript
write the new subscript next to any subscripts on the polyatomic ion
put the polyatomic ion in square brackets before adding the subscript
- 21. Multiple ChoiceThe chemical formula for ammonium sulfate is (NH4)2SO4. How many atoms of hydrogen are in the formula for ammonium sulfate?10268
- 22. Multiple ChoiceCobalt oxide is a compound with the formula Co2O3. How many atoms of oxygen are in the formula for cobalt oxide?2534
- 23. Multiple ChoiceIron sulfate, Fe2(SO4)3, is a yellow compound that has several commercial uses. How many sulfur atoms are represented in the formula Fe2(SO4)3?12123
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