What is valence ?

1.	What is valence ?
Answer» Valence also spelled in chemistry the property of an element that determine the number of other atoms with which and atom of the element can combine It is the ability of an atom to gain or lose electron in order to achieve the noble gas configuration. It refers to the ability of an element to combine with other element. It is obtained by determining the number of electrons in the outermost shell (also called valence shell) of each atom of an element. For instance, sodium has 1 electron in its outermost shell and hence valency of sodium is 1. Gh A whole no.that represent the ability of an atom. The valence is determine by the no.of electrons that an atom can lose add or share...

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