Question

difference between valency and valence electron​

Answer 1

Answer:

The number of electrons that are shared, lost or gained by an atom during a chemical reaction is called as the valency of the element. The outermost shell of the atom is called the 'valence shell' and the electrons present in that shell are called the 'valence electrons'.

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Answer 2

Answer:

Valency is the charge on an atom .

Valence electron is no. of electron present in last shell of an atom .

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