OXIDATION NUMBER QUIZ

What is oxidation number of H in H₂O?

• 0
• -2
• -1
• +1

Tags

NGSS.HS-PS1-1

What is oxidation number of P in K₃PO₄?

• +1
• +5
• -2
• 0

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is oxidation number of Fe in FeO ?

• +2
• -2
• 0
• +1

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is oxidation number of Ca in CaCl₂ ?

• -1
• -2
• +1
• +2

Tags

NGSS.HS-PS1-1

What is oxidation number of O in O₂ ?

• 0
• -2
• +1
• +2

What is oxidation number of Mn in MnO₂ ?

• 0
• +2
• -2
• +4

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the charge for an ion in group 1?

• +1
• -7
• -1
• +7

Tags

NGSS.HS-PS1-1

What is the charge of an ion in group 2?

• +2
• -6
• -2
• +6

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

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

• 0
• 1
• -1
• depends on the compound

What is the oxidation number of Magnesium (MgO)?

• +2

• -2

• whats an oxidation number