N1E1U1T1R1O1N1S1
8 points
NEUTRONS is validvalid
NEUTRON, a subatomic particle [n]
NEUTRON, a particle in the nucleus of an atom, which is without electrical charge and with approximately the same mass as a proton [n]
NEUTRON, a subatomic particle [n]
NEUTRON, a particle in the nucleus of an atom, which is without electrical charge and with approximately the same mass as a proton [n]