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Chemistry CBSE Live product
Class 9 (2026-27)
Journey Inside the Atom
Atomic Models & Subatomic Particles
6.
Energy shells and atomic models
Question:
1
m.
Identify
the
best answer
answer:
Assertion (A)
The K-shell has less energy than the L-shell.
Reason (R)
The K-shell is closer to the nucleus than the L-shell.
Both A and R are true, and R is the correct explanation of A
Both A and R are true, but R is not the correct explanation of A
A is true, but R is false
A is false, but R is true
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