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Question

An element has 4 protons,3 electrons and 5 neutrons.The number of nucleons is :


A

3

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B

4

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C

5

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D

9

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Solution

The correct option is D

9


Explanation for the correct answer

Option D

  • Number of protons of the given element = 4
  • Number of electrons of the given element = 3
  • Number of neutrons = 5
  • Nucleon number = Number of protons + Number of Neuron = 4 +5 = 9.

Conclusion: Hence option D is correct, So, the number of nucleons present in an element that has 4 protons,3 electrons, and 5 neutrons is nine.


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