Question

an atom has atomic number 13 write the electronic confegaration number of valency electron wether is a metal or non metal​

Answer 1

Answer:

(2,8,3)

Explanation:

by atomic number:

the electronic configuration is (2,8,3)

I hope this will help you

Answer 2

answers-:

(2, 8, 3)

The valence electron is 3

explanation -:

The atom is a non - metal as it will gain electron to form a valence atom or stable compound