Hot sodium is put in a gas jar of chlorine. Describe the observations made before, during and after the reaction.

The reaction is extremely exothermic, producing a bright yellow light and a great deal of heat energy. ... The hot sodium then reacts with the chlorine, producing a bright yellow light, a great deal of heat energy, and fumes of sodium chloride, which deposits on the walls of the bottle.

6

Explanation:

because newtrons dont have a charge so the red ones in the middle count those and you get 6