N1E1G2A1T1O1N1
8 points
NEGATON is validvalid
negatron
a hypothetical atomic particle with mass equal to that of a proton, but with a negative charge equal to that of an electron, also NEGATRON
negatron
a hypothetical atomic particle with mass equal to that of a proton, but with a negative charge equal to that of an electron, also NEGATRON