Question

Hydrogen is a reactive gas under normal conditions.Based on this property alone, to which group of the periodic table should hydrogen belong?why?

Answer 1

Even if hydrogen is in 1 group originally you can still say it is in 6 groups.

Answer 2

Even though Hydrogen is originally in group 1, based on this property, we can say it is in group 6.

Because:

Group 6 would mean that it only needs 2 more valence electrons till the octet (8 valence electrons). This would make it reactive, yet, in normal conditions, unlike group 7.