Answer: protonic

AnswerCrossword Clue
protonicthe part of an atom bearing a positive charge
protonican elementary particle that is identical with the nucleus of the hydrogen atom, that along with the neutron is a constituent of all other atomic nuclei, that carries a positive charge numerically equal to the charge of an electron, and that has a mass of 1.673 Î 10-27 kilogram
protonicpertaining to a proton (a subatomic particle)