Chemistrymedium · Past Paper
What is the common valency of Group IIA (Alkaline Earth Metals)?
A+1
B+2
C+3
D+4
✓ Correct Answer: B — +2
Group 2 elements have 2 valence electrons and tend to lose them to form 2+ ions.
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✓ Correct Answer: B — +2
Group 2 elements have 2 valence electrons and tend to lose them to form 2+ ions.
Share this question