Question

write the electronic configuration for the following elements. [2]
2040
(i) ca
1224
ii) mg​

Answer 1

Answer:

(i) Calcium

Atomic number: 20

Electronic configuration: 2, 8, 8, 2

(ii) Magnesium

Atomic number: 12

Electronic configuration: 2, 8, 2

Answer 2

Answer:

here are the answers

Explanation:

Ca : 1s22s22p63s23p64s2

Mg: 1s22s22p63s2