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JAMB Chemistry 2021 Paper

Question : 14

Total: 40

The maximum electron in N shell is?

Solution:

Concept:

The maximum number of electrons in an electron shell is given by the formula

2n^2

, where

n

is the principal quantum number of that shell.

Explanation:

The N shell corresponds to the fourth principal quantum number, so

n = 4

Using the formula:

Maximum electrons

= 2n^2

Substitute

n = 4

2 \times 4^2 = 2 \times 16 = 32

Therefore, the N shell can hold up to 32 electrons.

Answer:

D. 32

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