Assigning Oxidation Numbers

What is the oxidation number of nickel in NiSO₃?

*Remember: "UMHOE"

• +2

• +3

• 0

• -1

What is the oxidation number of nitrogen in N₂?

*Remember: "UMHOE"

• -3

• 0

• +4

• -1

Tags

NGSS.HS-PS1-1

The sum of the total oxidation numbers in LiH is equal to:

*Remember: "UMHOE"

• 0

• +1

• -1

• -3

What is oxidation number of P in K₃PO₄?

*Remember: "UMHOE"

• +1

• +5

• -2

• 0

Tags

NGSS.HS-PS1-1

What is oxidation number of Mn in MnO₂ ?

*Remember: "UMHOE"

• 0

• +2

• -2

• +4

Tags

NGSS.HS-PS1-1

What is the oxidation state of phosphorous in Mg₃(PO₄)₂

*Remember: "UMHOE"

• +2

• +3

• +4

• +5

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the oxidation state of sulfur in H₂SO₄

*Remember: "UMHOE"

• -2

• +2

• -8

• +6

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the oxidation state of sulfur in Al₂(SO₄)₃

*Remember: "UMHOE"

• -2

• +6

• +18

• -6

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2