Asked in PMC Practice Test 14 (2021) 2021Moderate

How many electrons can occupy in the 7th energy level of an atom?

Correct answer: D. 98

  • A. 24
  • B. 5
  • C. 72
  • D. 98

Explanation

Calculate this by using the 2n2 formula. In the formula 2n², n = 7 so 2(7)², 2(49), "98". Thus "98" electrons can occupy the 7th energy level of an atom.

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