Question

Electronic configuration of zinc and calcium

Answer 1

Explanation:

zn has atomic no. 30 so it's configuration is: 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^10

And of calcium : 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 hope it helps you