Q. Element which does not contain any neutron?

A
Helium
B
Hydrogen
C
Nitrogen
D
Oxygen
Solution:
  • There is only one stable atom that does not have neutrons. It is an isotope of the element hydrogen called protium.

  • Protium, which contains a single proton and a single electron, is the simplest atom.

  • There are three isotopes of the element hydrogen: Protium?, deuterium, and tritium.

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