What is the maximum number of electrons that can occupy the first shell of an atom?
- A. 2 ✓
- B. 4
- C. 8
- D. 16
Correct Answer: A. 2
Explanation
According to the Bohr-Bury scheme, the maximum number of electrons in a shell is given by the formula 2n^{2}. For the first shell (n=1), it is 2.
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