4.2 Write Lewis dot symbols for atoms of the following elements :
(f)
The Lewis dot symbol of atom is;
As there are seven valence electrons in an atom of .
Hence, the Lewis dot structure is
CBSE asks schools to ensure error-free LOC forms for Classes 10, 12; edit window from October 13
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‘Careers are at stake’: CBSE removes additional subject option for private students without prior notice
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