How many neutrons are present in atom with mass number and atomic number 37 and 17 respectively?

  • A 18
  • B 20
  • C 37
  • D 17
jamb 2022chemistry

The correct answer is B. 20

The mass number = number of neutrons + atomic number.

number of neutrons = The mass number - atomic number.

number of neutrons = 37 - 17 = 20

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