Sun December 09, 2012 By:

how protium is so much stable?

Expert Reply
Fri December 14, 2012
Neutrons are necessary within an atomic nucleus as they bind with protons via the nuclear force; protons are unable to bind with each other (see diproton) due to their mutual electromagnetic repulsion being stronger than the attraction of the nuclear force.
Since, there is no other proton in hydrogen, it doesnt need neutron.
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