In the following set of elements, one element does not belong to the set. Select this element and state why it does not belong :
In the following set of elements, one element does not belong to the set. Select this element and state why it does not belong :
Oxygen, Nitrogen, Carbon, Chlorine, Fluorine
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Chlorine does not belong to the set. This is because all other elements belong to 2nd period whereas chlorine belongs to 3rd period.
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