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How many electrons can be accommodated in 1^st shell?

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answer is B.

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Detailed Solution

Only 2 electrons can be accommodated in the first shell.

Electrons revolve in stationary shells around the nucleus called orbits. These shells are represented by K, L, M, and N.

The first shell is called the K shell. It can hold a maximum of up to 2 electrons.
The L shell accommodates 8 electrons.
The M shell can have 18 electrons.
The N shell can accommodate 32 electrons.

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