Question
In an atom, maximum number of electrons in a shell is given by:
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HTET 2025 Level 1 PRT Question Paper (5-Jul-2026)
The correct answer is \(2n^2/2n^2\)
The maximum number of electrons that can occupy the nth shell of an atom is given by the formula \(2n^2\), known as the Bohr-Bury rule. The first shell (K, n=1) holds a maximum of 2 electrons, and the second shell (L, n=2) holds a maximum of 8 electrons.
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