Question

Write the atomic number.
Write down the electronic configuration ​

Answer 1

Answer:

atomic number is 19 and electronic configuration is 2,8,8,1

Answer 2

Answer:

This is an atom of Chlorine

Explanation:

a) 19

b) 1s2 2s2 2p6 3s2 3p6 4s1

c) 1

d) K

e) K