3. Chemical Reactions
Writing Ionic Compounds
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ANSWERS OPTIONS
A
Na2O, Na2(OH)2, Na2O
B
NaO2, Na2O2, Na2O
C
NaOH, Na2O2, Na2OH
D
NaOH, Na2(OH)2, Na2O
The transfer of the appropriate number of electrons to O2 results to the formation of the ions superoxide, peroxide, and oxide as shown below:
O2 + e- → O2-
O2 + 2e- → (O2)2-
O2 + 4e- → (2O2)-
Identify the chemical formulas of sodium superoxide, sodium peroxide, and sodium oxide.