Compare the properties of electron, proton and neutron

Explanation

`{:(,),("Particle","Symbol"),("Electron"," "e^(-)),("Proton"," "P^(+)),("Neutron",n or n^(@)):}{:(" ""Mass"," ""Charge"),("amu"" ""kg","units"" ""coulombs"),((1)/(1835)" "9.1 xx 10^(-31)," "1" "-1.60 xx 10^(-19)),(" "1" "1.672 xx 10^(-27)," "1" "+1.60 xx 10^(-19)),(" "1" "1.674 xx 10^(-27)," 0 "0):}`