Science, asked by vincy54, 1 year ago

what is the difference between valency and Valence Electrons

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Answered by harshitagarwal624

Valency is combining capacity of an atom and valence electrons are the no. of electros present in the outermost shell.

Answered by arunkindiv

Valency is the electron that the atom or molecule requires to accept or donate to other atom .
But valence electrons are the number of electron in the outermost shell.

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PeachPrince: Valence electrons are the number of electrons present in the outermost shell of an atom

PeachPrince: For example Na=(2,8,1) So Valence electron is 1 so Na will donate its 1 e- to complete its octet therefore its valency is 1 whereas S=(2,8,6) here valence electrons are 6 but it needs 2 more to make it 8 and complete octet therefore valency is 2 So valence e-= No.of e- in last shell and Valency = No. Of e- donated or accepted to complete its octet

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what is the difference between valency and Valence Electrons