The reaction of sodium and chlorine to form salt is best described as an

The reaction of sodium and chlorine to form salt has the following properties:
1- It gives out (releases) heat. This means that it is an exothermal reaction
2- A new compound is formed and the components of this compound cannot be separated by physical means. This means that a chemical change occurred.

Based on this:
The reaction of sodium and chlorine to form salt is best described as an exothermic chemical change reaction.

Ethene molecular fórmula= c2h4molecular weight = 29.046g/molhope it : )