Question

group 1: Alkali metals :: ____ ; halogen ?​

Answer 1

Halogens can be found in group 17

Answer 2

Group 1: Alkali metals:: _group 17___; halogen.

• The alkali metals reside in group 1. These elements are Na, K, Rb, Cs, Fr etc. These elements have the same valance shell electronic configuration.
• The halogens reside in group 17. The halogens are F, Cl, Br, I, At. These five halogens have the same valance shell electronic configuration and same valance electrons.