4.2 Write Lewis dot symbols for atoms of the following elements :
(c)
The Lewis dot symbol of atom is;
As there are three valence electrons in atom.
Hence, the Lewis dot structure is
CBSE Board Exam Dates 2027 LIVE: CBSE Class 10, 12 sample papers out, time table soon
CBSE invites LOC submission for Class 12 re-exams 2026 in West Asian countries
CBSE Datesheet 2027 LIVE: Class 10, 12 board exam timetable soon; sample question papers, marking scheme
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