Helium atom has an atomic mass of 4u and 2 protons into nucleus. How many neutrons it have.
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Helium ha 2 neutrons
Pikki:
And ur calculation is correct but 4-2=2=no. Of neutrons
please mark my answer as brainliest
No.of neutrons =4-2=2
pleasssseeee
Thank u for marking me brainliest!!!
U r brilliant doremon
But pikki answers first
thanks
In which schl u r
Singhania
Answered by
4
Atomic mass of Helium = 4u.
No.of protons=2
Now mass no.= No.of protons +No.of neutrons
This implies 4=2+no.of neutrons
Therefore no.of neutrons=4-2
=2
No.of protons=2
Now mass no.= No.of protons +No.of neutrons
This implies 4=2+no.of neutrons
Therefore no.of neutrons=4-2
=2
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