Why the Mass of hydrogen is about 1.00794u? Even the hydrogen doesn't have neutron it only have 1 proton.
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Bcz the formula of mass number=proton+neutron
And we know that no. Of proton is equal to atomic no.
So hydrogen have 1 proton.
So Neutrons =1-1
=0
And we know that no. Of proton is equal to atomic no.
So hydrogen have 1 proton.
So Neutrons =1-1
=0
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