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Question

Valence electrons are:


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Solution

Valence electrons:

  • “The electrons present in the outermost shell of an atom are known as the valence electrons.”
  • “Valency is the combining capacity of an atom.”

for example

  • Consider, Lithium atom which has an atomic number 3, the electronic configuration of the Lithium Liatom is 1s22s1.
  • The number of the valence electron in Lithium is 1.

The schematic atomic structure of Lithium is given below:


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