Oxidation States Flashcards
1
Q
What is the oxidation number for an element/neutral compound by itself?
A
Always 0
2
Q
What is the oxidation number for group 1 and group 2?
A
Always, 1+ or 2+
3
Q
What is the oxidation number for halogens and what is its exceptions?
A
Always minus one, unless positive if with oxygen.
4
Q
What is the oxidation number for a polyatomic ion?
A
It is equal to the ions Charge
5
Q
What is the oxidation number for oxygen usually and its exception?
A
Usually -2, however, in a peroxide, it is minus one
6
Q
What is the oxidation number for hydrogen and its exceptions?
A
Usually plus one how with metals it is minus one
