Redox

Question 1

What is an oxidation number?

Answer 1

The number of electrons an atom uses to bond with any other atom.

Question 2

What is the oxidation number of combined oxygen such as in H2O?

Answer 2

-2

Question 3

What is the oxidation number of oxygen in peroxides?

Answer 3

-1

Question 4

What is the oxidation number of combined hydrogen such as in NH3, H2S?

Answer 4

+1

Question 5

What is the oxidation number of combined hydrogen in metal hydrides such as LiH?

Answer 5

-1

Question 6

What is the oxidation number of a simple ion?

Answer 6

-1/+1

Question 7

What is the oxidation number of combined fluorine sich as in NaF, CaF2?

Answer 7

-1

Question 8

What element has more than one stable oxidation number how is it indicated?

Answer 8

Written as a roman numeral

Question 9

What are oxyanions?

Answer 9

Negative ions that have an element along with oxygen.