Chemistry, asked by neena4kcarish, 1 year ago

helium atom has an atomic mass of 4u and two protons in it nucleus . how many neutrons do you have

Answers

Answered by saumya10
5
as we know,
no. of protons= no. of neutrons
helium has 2 protons
so it has 2 neutrons.
Answered by Anonymous
3
There will be 2 neutrons.
It's given that it has the mass of 4u and mass no. = No.of protons + no. Of neutrons
So,
4-2= no. Of protons
= 2
Hope it helps
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