Question

Complete the following table with suitable answer.

Group Name of element General electronic Valence Valency
family configuration electrons
1 (IA) Alkali metal family – – –
2 (IIA) Alkali earth metal family – _ –
17 (VIIA) Halogen family – – –
18 (VIIIA) Noble gas family – – –

Answer 1

Answer:

Alkali metal - ns^1

Alkali earth metal - ns^2

Halogen family - ns^2np^5

Noble gas - ns^2np^6