The electrons present in the outermost orbit revolving around the nucleus held by weak forces are known as
A
Hidden electrons
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B
Revolving electrons
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C
Free electrons
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D
Attached electrons
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Solution
The correct option is C Free electrons The electrons in the outermost shell is known as valence electrons. As this electrons are far away from the nucleus so they will experience less Coulomb force. Hence this electrons will free to move, is called free electrons.