Question

write any two differences between the electronic configuration of group 1 and group 2 elements​

Answer 1

he mate this is your answer ....

Answer 2

Hello mate your answer

1st difference: Valency of group 1 is 1. Valency of group 2 is 2.

2nd difference:
Group 1: first shell with 2 electrons and last shell with 1 electrons
Group 2: first shell with 2 electrons and last shell with 2 electrons

Hope it helps.

If you like my answer plz mark as brainliest