Front

What is the oxidation number of O in CO₂?

Back

-2

Front

What is the oxidation number of Ca in Ca₃N₂?

Back

+2

Front

The sum of all oxidation numbers in a neutral compound is ___?

Back

0

Front

What is the oxidation number of Fe in Fe²⁺ ion?

Back

+2

Front

What are oxidation numbers?

Back

Electrons gained or lost in chemical bonding.

Front

What is the oxidation number of H in H₂O?

Back

+1

Front

What is the oxidation number of Na in NaCl?

Back

+1

Front

What is the oxidation number of Cl in Cl₂?

Back

0

Front

What is the oxidation number of S in H₂SO₄?

Back

+6

Front

What is the oxidation number of N in NH₃?

Back

-3