Helium atom has an atomic mass of 4 u and two protons in its nucleus. How many neutrons does it have?

Asked by Vishal kumar | 2 years ago |  247

1 Answer

Solution :-

Given: Atomic mass of helium atom = 4u, 2 protons in helium nucleus

Atomic mass = number of protons + number of neutrons

4 = 2 + number of neutrons

Number of neutrons = 4 – 2 = 2

Hence, Helium has 2 neutrons.

Answered by Shivani Kumari | 2 years ago

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