Chemistryeasy · Past Paper
What is the valency of Helium?
A2
B8
C0
D1
✓ Correct Answer: C — 0
Helium has a full outer shell (duplet state), making its valency zero as it is chemically stable.
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✓ Correct Answer: C — 0
Helium has a full outer shell (duplet state), making its valency zero as it is chemically stable.
Share this question