Oxidation numbers Flashcards
1
Q
What are oxidation numbers?
A
= tells us about how electrons are lost or gained in a reaction
2
Q
What is the oxidation number of flourine?
A
= -1
3
Q
What is the oxidation number of oxgen?
A
= -2
= 2+ when reacting with flourine
4
Q
What is cl, br, i ?
A
= -1
= can be positive when reacting to flourine or oxygen
5
Q
What is hydrogens oxidation number?
A
= +1
= -1 in hydrides
6
Q
What is the oxidation number of group 1 metals?
A
= always +1
7
Q
What is the oxidation number of group 2 metals?
A
= always 2+
8
Q
What is the oxidation number of alliminum?
A
= 3+
9
Q
what is the oxidation number of transition metals?
A
= varies
