Question

2. Define valence shell​

Answer 1

Answer:

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.

Answer 2

Answer:

outermost orbit of an atom is called the valence shell. the number of electrons is contains is called the elements valency