sentences: one neutron has one atomic mass unit
docs: neutron_bomb is weapon_of_mass_destruction. hydrogen_atoms has one_proton_and_one_electron hydrogen_atom has only_one_electron hydrogen has atomic_number_of_one neutron_bomb is atomic_weapon. neutron_bomb is nuclear_weapon. neutronium is neutron_matter. neutrons has about_as_much_mass_as_protons neutron_bomb is small_nuclear_weapon. neutron_bomb is atom_bomb.