e. If an atom gains two electrons to form an anion, its valency will be
options are 4,0,1,2
Answers
Answered by
1
Explanation:
4
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Answered by
1
Answer:
0
Explanation:
If any atom gain or lose electrons to complete there shell so after gain its electron and forming anion it's valacy will be 0 but it will contain -ve charge and react with any cation.
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