Oxidation Numbers

What is the oxidation number of Fe in FeO?

• +1
• -1
• +2
• -2

Tags

NGSS.HS-PS1-2

What is the oxidation number of O in CO₂?

• +2
• -1
• +4
• -2

What is the oxidation number of O in elemental O₂ ?

• 0

• -2

• +1

• +2

What is the oxidation number of Na in Na⁺ ?

• 0

• +1/2

• +1

• -1

What is the oxidation number of Br in BrO₃^-1?

• +3
• -2
• +5
• +2

What is the oxidation number of Sn in SnO₂?

• +1
• +4
• +2
• -2