Atoms in pure elements or molecules of all the same atom have ox # of?
0
Flourine (F) oxidation number is?
-1
Group 1A elements oxidation number is?
+1
Group 2A elements oxidation number is?
+2
Aluminum (Al) oxidation number is?
+3
Hydrogen (H) oxidation number is?
+1
Oxygen (O) oxidation number is?
-2
Group 7A elements oxidation number is ?
-1