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  • Valency of an atom depends mainly on:Option: 1 Number of electrons present in the penultimate shell.Opt

Valency of an atom depends mainly on:

Option: 1

Number of electrons present in the penultimate shell.


Option: 2

Number of electrons present in the outermost orbit.


Option: 3

Number of electrons present in anti- penultimate shell.


Option: 4

None.


Answers (1)

best_answer

The number of electrons present in the outermost energy level is termed as valency electrons.
For example, sulphur has the atomic number 16. Its electronic configuration is 2,8,6. Thus, the valency electrons in sulphur are 6. That means the number of electrons in the outermost most orbital is 6. The valency of sulphur is 8-6=2.            

Hence, option number (2) is the correct option.

Posted by

Divya Prakash Singh

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