Question

What is the category name of each column of the periodic table like halogen,etc.,..?

Answer 1

catergory names are also knownas group names Column no.
1 Group 1 (Alkali Metals)
2 Group 2 (Alkaline Earth Metals)
3-12 Group(3-12) (Transition metals)
13 Group 13 (Boron family)
14 Group 14 (Carbon family)
15 Group 15 (Nitrogen family)
16 Group 16 (Chalcogens)
17 Group 17 (Halogens)
18 Group 18 (Noble Gases)