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Structure of Atom question

2023 · 30 Jan · Shift 2 · Q10

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Structure of Atom
2023 · 30 Jan · Shift 2 · Q10

Structure of Atom question

2023 · 30 Jan · Shift 2 · Q10

JEE MainChemistryStructure of AtomMCQ+4 / −1

Maximum number of electrons that can be accommodated in shell with

n=4

are:

A
50
B
32
C
72
D
16

View written solutionFree

Correct answer: B

The maximum number of electrons that can be accommodated in a shell with principal quantum number $n$ is given by:

$2n^2$

Here, $n = 4$ .

So,

$2n^2 = 2(4)^2 = 2 \times 16 = 32$

Therefore, the maximum number of electrons in the $4^{\text{th}}$ shell is:

$32$

Now compare with the options:

A: $50$ ❌
B: $32$ ✅
C: $72$ ❌
D: $16$ ❌

Hence, the correct option is B.

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