Question

what is the number of valence electrons in the atom of an element having atomic number 13 name the valency shell of this atom

Answer 1

3 valence electrons would be there
name of the valence shell is M

Answer 2

⭐ We already know that the valence electron is the number of electrons present in the outermost shell of an atom of an element.

⭐ Valence shell refers to the outermost shell of an atom of an element.

⭐ Number of valence electrons = 3.

⭐ Valence shell = M