Relative charge Proton (p) 1 + 1 Electron (e) 0.00055 -1 Neutron (n) 1 0 0 -y 2 2 2 1 -2 + y 2 - Anions from Organic Acids Acetate c 2 h 3 o + Hydroxide OH- Permanganate MnO y 4 Sulphate 4 so 2 nh 3 S 8 CrCl 5 no 3.