Define valence shell and valence electrons

Let us know about valence shell and valence electrons. Valence is the number of electrons an atom must lose or gain to attain the nearest noble gas or inert gas electronic configuration

Valence shell: The outermost orbital shell of an atom is called its valence shell. These electrons take part in bonding with other atoms.

Valence electrons: Electrons in the outer shells that are not filled are called valence electrons.

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