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Chapter 8 Journey Inside the Atom - Part 3

What is the valency of noble gases (like Neon and Argon) whose outermost shells are completely filled?

Type: MCQ • Marks: 1
What is the valency of noble gases (like Neon and Argon) whose outermost shells are completely filled?
Options
A. 4
B. 1
C. 0
D. 2
Explanation
Noble gases have stable octets (or duet for Helium), resulting in a chemical valency of 0.
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Class 9th Science (MCQ)

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