Question

helium atom has an atomic mass of 4u and two protons in its nucleus have many neutrons does it have​

Answer 1

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The mass of an atom is the sum of the masses of protons and neutrons present in its nucleus. Hence, the Helium atom has 2 neutrons.

Answer 2

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

• Atomic mass of Helium atom=4u
• Number of protons=2
• Number of neutrons=2(4-2=2)

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