Published by:
CGP EDU Academic Team
Published on: August 13, 2026
Lowest Oxidation number of an atom in a compound 
is -2 . The number of an electron in its valence shell is
Text Solution
Verified by ExpertsThe correct answer is:
6
(6) 
has complete octet in its dianionic form, thus in its atomic state it has 6 electrons in its valence shell. As it has negative charge, it has acquired two electrons to complete its octet
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