Question

if subshell electronic configuration of an element X is given 1s^2, 2s^2, 2p^6,3s^2, 3p^6,3d^6,4s^2.Find the answers of the following.(The element X is not real)what is the atomic number of this element?​

Answer 1

Answer:

Explanation:

26 is the atomic number and it's iron