Answer: isotone

AnswerCrossword Clue
ISOTONEEither of two atoms with equal neutrons but not protons
ISOTONENuclide
ISOTONEType of atom
ISOTONEOne of a related set of atoms
ISOTONEOne of a group of atoms having the same number of neutrons but a different number of protons
isotonea type of atom (the smallest particle of an element)
isotoneone of two or more atoms having an equal number of neutrons but different atomic numbers