lesson 13 Flashcards
1
Q
elements with __ oxidation numbers lose electrons
A
positive
2
Q
__ __ tell us if an atom is going to gain or lose electrons during a reaction
A
oxidation numbers
3
Q
oxygen has an oxidation number of __
A
-2
4
Q
hydrogen has an oxidation number of __
A
+1
5
Q
an ions charge is __
A
0
6
Q
the sum of the oxidation numbers in a formula should equal __
A
0
