zero proton has 1 atomic want dissociate
atoms has not mass atomic_mass is not mass. atomic_bomb is not fission_weapon. h is not atomic_nucleus. atomic_nucleus is not microscopic_object. zero is not integer. trivial_zero_divisor is not zero_divisor. hydrogen has atomic_number_of_one hydrogen_atoms has not one_proton_and_one_electron hydrogen has not atomic_number_of_one