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Q:

The atomic number of an atom of an element is 17 and the mass is 36. What is the number of neutrons in its nucleus?

  • 1
    17
  • 2
    19
  • 3
    36
  • 4
    53
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Answer : 2. "19"
Explanation :

An atom of an element has atomic number 17 and mass number 36. The number of neutrons in its nucleus is 19.

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