Oxidation Numbers Flashcards
1
Q
Elements by themselves = ?
A
Zero like O2
2
Q
Ions have ________
A
Oxidation numbers that match their charges
3
Q
Oxygens number = ? Except for peroxides it =? And compound OF2 =?
A
Usually -2 but in peroxides -1 and in compound OF2 it’s +2
4
Q
Why is it +2 in OF2?
A
Because fluorine is extremely electronegative
5
Q
Increase in oxidation number means ______ has occurred
A
Oxidation
6
Q
Decrease in oxidation number means ______ has occurred
A
Reduction
