12
Sodium has 12 neutrons. Chloride ion has 18 neutrons. In a formula unit, NaCl has 30 neutrons.
12 neutrons are in the element sodium.
12 neutrons are in sodium (Na).
Sodium has 11 protons, 11 electrons and 12 neutrons.
elecrons - 11 neutrons - 12 protons - 11
12
12 Neutrons
there are 11 neutrons.
12
there are 11.99 neutrons in an atom of sodium
The number of protons and neutrons is not changed; sodium lose one electron and chlorine gain an electron.
30 or 32 neutrons, because chlorine has two isotopes.