electrode potentials and cells Flashcards
1
Q
oxidation is (electrons)
A
loss of electrons
2
Q
reduction is (electrons)
A
gain of electrons
3
Q
oxidation is (oxidation number)
A
increase in oxidation number
4
Q
reduction is (oxidation number)
A
decrease in oxidation number
5
Q
oxidation state in element on its own
A
0
6
Q
oxidation state of simple ion
A
charge on the ion
7
Q
oxidation state a group 1,2 or 3 element in a compound
A
always equal to group number and always positive
8
Q
oxidation state oxygen in a compound
A
usually -2
9
Q
oxidation state of group 7 in a compound
A
usually -1
10
Q
oxidation state of hydrogen bonded to a non metal
A
+1
11
Q
A
