Question

"1s 2s 2p 3s 3p 3d"

a)Find the Atomic number of 'A

b)Write the subshell electronic configuration ofA?​

Answer 1

Answer:

hello mate

Explanation:

step by step explanation

1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ but here in between you had forgotten about the 4s² after. 3p²there is 4s² then 3d¹⁰;will come ZINC -30. --------1

2-SUBSHELL -3d¹⁰