# Why will the number of neutron higher than the number of proton in the most of atom? [duplicate]

The chinese website said :

In the most of atom,the number of neutron higher than the number of proton

Does anyone know the reason?just explain it in easier way,

Or does anyone know if the number of neutron be less than the number of proton,what will happen with atom?why?

• – Rob Jeffries Jan 29 at 14:19

• Another stable nuclide with fewer neutrons than protons is $^1H$. – badjohn Jan 29 at 10:25