Final answer:
Sodium has the ability to react with chlorine and form a new substance.
Step-by-step explanation:
The statement that describes a chemical property of sodium is option B: Sodium has the ability to react with chlorine and form a new substance.
Sodium is an extremely reactive metal that readily reacts with chlorine to form sodium chloride, a compound that has entirely different properties from the elements sodium and chlorine.
For example, sodium chloride is essential for all living things and is a white solid, while sodium metal is silvery, soft, and conducts electricity and heat well.