Redox

Question 1

Define oxidation

Answer 1

The loss of electrons/gain of oxygen/loss of hydrogen

Question 2

Define reduction

Answer 2

Gain of electrons/loss of oxygen/gain of hydrogen

Question 3

Name the specie exceptions

Answer 3

Hydrogen in metal hydrides are -1
(e.g. sodium hydride)
Oxygen in peroxides are -1
(e.g. hydrogen peroxide)
Chlorine is -1 except in compounds with O or F