Physics, asked by ff8219446, 5 months ago

Define valence and explain the importance of valency

Answers

Answered by sushumna47
1

Answer:

The number of bonds that an atom can form as part of a compound is expressed by the valency of the element. We all know how electrons in an atom are arranged in shells/orbitals. Valence electrons are those electrons which are present in the outermost orbit of the atom.

Answered by Alivean
3

Explanation:

It is an ability of an atom or atoms group to combine with other atoms. Basically it is the no. of electrons that an atom can add, lose or share.

It is important because they let us know the bonding behavior and reactivity of an element.

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