Question

Give the electronic configuration (e.g. B is 1s2, 2s2, 2p1) for the following atoms:

(i) N

(ii) Br
(

Answer 1

N has 7 electrons which has he configuration of : 1s², 2s², 2p³

Br has 35 electrons which can be described as: [Ar] 3d¹⁰ 4s² 4p⁵