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In case of a copper atom, Mass Number is 64 and atomic number is 29. What will be the number of neutrons in a copper atom?

In case of a copper atom, Mass Number is 64 and atomic number is 29. What will be the number of neutrons in a copper atom? Correct Answer 35

Copper atomic number 29.

  • Normally it has 29 (2, 8, 18, 1) electrons, 29 protons, and 35 neutrons.
  • It belongs to Group 11.

Important Points

Oxygen atomic number 8.

  • Normally it has 8 (2, 6) electrons, 8 protons, and 8 neutrons.
  • It belongs to Group 16 (Chalcogens group).

Nitrogen atomic number 7.

  • Normally it has 7 (2, 5) electrons, 7 protons, and 7 neutrons.
  • It belongs to Group 15 (Pnictogen group).​

Additional Information

The hydrogen (H) atom does not have any neutrons in its tiny nucleus.

  • It has only one electron (-ve charged) and one proton (+ve charged).
  • The first isotope of Hydrogen called Protium has no neutron in its atom.
  • Neutrons are the particles in an atom that has a neutral charge.

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