Q:what is valency? what is valency electrons?
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Valency is the combining power of an element. The valency of an element is related to how many electrons are in the outer shell.
Valency electron is 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.
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The number of electrons lost, gained or shared by the atom of an element is called as the valency of the element.
The electrons present in the outermost shell i.e. the valence shell are called as valence electrons .
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