Question

Which element is the total number of valence electrons in an atom with a total of 13 protons

Answer 1

This is Aluminium.

3 Valency electrons.

Step-by-step explanation:

The atomic number is 13 and the electronic configuration is

1s22s22p63s23p1 . This is Aluminium.

It has 3 valency electrons. (3s23p1).