Which particle is a negatively charged ion?
A.Hydrogen (H) with 1 proton, 0 neutrons, and 1 electron
B.Sodium (Na) with 11 protons, 12 neutrons, and 10 electrons
C.Magnesium (Mg) with 12 protons, 12 neutrons, and 12 electrons
D.Chlorine (CI) with 17 protons, 18 neutrons, and 18 electrons