The formula used to represent the maximum number of electrons present in a shell

2n²

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n²

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Solution

The correct option is A
2n²

The explanation for the correct option: Option A
Bohr and Bury suggested the distribution of electrons around the nucleus into different orbits of an atom.
The maximum number of electrons present in a shell is given 2n², where n is the orbit number or energy level, 1, 2, 3, 4,….
For example: The electrons present in the first shell or K- shell = 2(1)²= 2
Therefore, Option A is correct.

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Similar questions

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