Question

1. which of the following is a chemical property for sodium (na)? density is 0.97 g/cm³ melting point is 97.82°c is a soft solid reacts with water

Explanation:

A chemical property describes how a substance reacts with other substances. Density and melting - point are physical properties. Being a lustrous solid is also a physical property. Reacting with water involves a chemical change, so it is a chemical property.

Answer:

D. reacts with water