Question

Mass of hydrogen atom is equalls to mass of proton and neutron

Answer 1

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question:-

Mass of hydrogen atom is equalls to mass of proton and neutron

answer:-

Hydrogen has a mass of 1 since it has 1 electron and 1 proton. ... The first approximation is that a proton + electron = neutron, by weight, and that atoms weigh as many daltons as protons and neutrons. A neutron weighs 1838 electrons, a proton 1836.