Name : ______Score: _____ /26
Self Assessment: Naming Compounds and Balancing Equations
Polyatomic ions: OH - hydroxide ion CO3 2- carbonate ion Nitrate ion NO3 - PO4 3- phosphate ion NH4 + ammonium ion
Name the following and count the number of atoms
1. _____ Li2O ______
2. _____ P4S3 ______
3. _____ H2CO3 ______
4. _____ SiF4 ______
Write the formula:
5. ______sulfur dioxide
6. ______ammonium carbonate
7. ______tricarbon tetrahydride
8. ______lithium chloride
What’s wrong with this name/formula…?
9. ______CO monocarbon monoxide
10. ______MgI4 magnesium iodide
11. ______H3PO4 hydrogen phosphorus oxide
12. ______NBr3 nitrogen tribromide
13. ______BeCl2 beryllium dichloride
14. ______(NH4)3N triammonium monitride
Determine the charge ion each cation in bold
15. ______FeO2 16. ______K2S
17. ______Ni3N 18. ______PbO2
Balance each equation. Do not put a 0 or 1 if there is only 1 of a compound.
19. _____ HgO + _____ Cl2 à ______HgCl + ______O2
20. _____ Na + ______Br2 à ______NaBr
21. _____ Al2O3 à ______Al + ______O2
22. _____ KCl + _____ Mg3(PO4)2 à _____ MgCl2 + _____ K3PO4
Put it all together. First come up with the compound from each name, then balance the equation.
23. - 24. Potassium iodide and calcium nitrate react to make potassium nitrate and
calcium iodide.
25. – 26. Nitrogen gas and hydrogen gas react to form nitrogen trihydride.
Name : _Answer key_ Score: _____ /26
Self Assessment: Naming Compounds and Balancing Equations
Polyatomic ions: OH - hydroxide ion CO3 2- carbonate ion Nitrate ion NO3 - PO4 3- phosphate ion NH4 + ammonium ion
Name the following and count the number of atoms
1. __3__ Li2O __lithium oxide__
2. __7__ P4S3 __tetraphosphorus trisulfide__
3. __6__ H2CO3 __hydrogen carbonate__
4. __5__ SiF4 __silicon tetrafluoride__
Write the formula:
5. __SO2__ sulfur dioxide
6. __(NH4)2CO3_ ammonium carbonate
7. __C3H4__ tricarbon tetrahydride
8. _LiCl_ lithium chloride
What’s wrong with this name/formula…?
9. __don’t need mono on carbon_(carbon monoxide)_ CO monocarbon monoxide
10. __doesn’t balance (Mg2+ I-)_(MgI2)_ MgI4 magnesium iodide
11. __polyatomic_(hydrogen phosphate)__ H3PO4 hydrogen
phosphorus oxide
12. __nothing…it’s OK______NBr3 nitrogen tribromide
13. __ no “di”, it’s ionic____ BeCl2 beryllium dichloride
14. __ionic with polyatomic (ammonium nitride)_____
(NH4)3N triammonium monitride
Determine the charge ion each cation in bold
15. ____+4____ FeO2 16. ____+1___ K2S
17. ____+1____ Ni3N 18. ____+4____ PbO2
Balance each equation. Do not put a 0 or 1 if there is only 1 of a compound.
19. __2__ HgO + _____ Cl2 à ___2__ HgCl + ______O2
20. __2__ Na + ______Br2 à ___2__ NaBr
21. __2__ Al2O3 à __4___ Al + ___3__ O2
22. __6__ KCl + _____ Mg3(PO4)2 à __3__ MgCl2 + __2__ K3PO4
Put it all together. First come up with the compound from each name, then balance the equation.
23. - 24. Potassium iodide and calcium nitrate react to make potassium nitrate and
calcium iodide.
KI + Ca(NO3)2 à KNO3 + CaI2
2 KI + Ca(NO3)2 à 2KNO3 + CaI2
25. – 26. Nitrogen gas and hydrogen gas react to form nitrogen trihydride.
N2 + H2 à NH3
N2 + 3 H2 à 2 NH3