Oxidation Flashcards
1
Q
What is oxidation
A
Process of electron loss, oxidising agents are electron acceptors
2
Q
What is reduction
A
Process of electron gain, reducing agents are electron donors
3
Q
Oxidation number for ion/atom
A
Its charge
4
Q
Oxidation number for a neutral compound
A
Sums to 0
5
Q
Oxidation for group 1 metal
A
+1
6
Q
Oxidation for group 2 metal
A
+2
7
Q
Oxidation for oxygen
A
-2, unless it’s H202 where it is -1, unless bonded with fluorine where it is +1
8
Q
Oxidation for hydrogen
A
-1 with metal and +1 without
9
Q
Oxidation for fluorine
A
Always -1
10
Q
What can you add to half-equations only
A
Electrons, water and (hydroxide ions for alkaline, hydrogen ions for everything else)