What is the oxidation numbers of alkaline metals?
The question should be either 'alkali metals' or 'alkaline earth
metals'.
For alkali metals or group 1 elements, the oxidation number is
+1 (note. hyddrogen can have +1 and -1).
For alkaline earth metals, the oxidation number is +2
In addition all these elements will have an oxidation number of
0 in their elemental form