Oxidation and Reduction (1)

Addition of oxygen

Oxidation reaction

Release of electrons

Oxidation reaction

Gain of hydrogen

Reduction reaction

Oxidation number decreases

Reduction reaction

The oxidation number for all elements

Zero

The oxidation number of the element in its compound for Group 1

1

The oxidation number of the element in its compound for Group 2

2

Oxidation number oxide ion

-2

IUPAC nomenclature

Iron(III) nitrate

IUPAC nomenclature

Potassium manganate(VII)