Oxidation

Question 1

What is oxidation

Answer 1

Process of electron loss, oxidising agents are electron acceptors

Question 2

What is reduction

Answer 2

Process of electron gain, reducing agents are electron donors

Question 3

Oxidation number for ion/atom

Answer 3

Its charge

Question 4

Oxidation number for a neutral compound

Answer 4

Sums to 0

Question 5

Oxidation for group 1 metal

Answer 5

+1

Question 6

Oxidation for group 2 metal

Answer 6

+2

Question 7

Oxidation for oxygen

Answer 7

-2, unless it’s H202 where it is -1, unless bonded with fluorine where it is +1

Question 8

Oxidation for hydrogen

Answer 8

-1 with metal and +1 without

Question 9

Oxidation for fluorine

Answer 9

Always -1

Question 10

What can you add to half-equations only

Answer 10

Electrons, water and (hydroxide ions for alkaline, hydrogen ions for everything else)