Question

) What do you understand by the term valence electrons?
Why are valence electrons named as such rather than only electron​

Answer 1

Answer:

Valence Electron:-

The number of electrons in the outermost shell is called valence electrons.

Answer 2

Explanation:

Definition of valence electron. : a single electron or one of two or more electrons

 in the outer shell of an atom that is responsible for the chemical properties of the atom.

Electrons in last shell or outermost shell are called as valence electron. They are called so because they decide the valency of element. Valence shell is the shell containing valence electrons. So last shell or outermost shell is alsocalled as valence shell.