Sodium Is a Highly Reactive Metal and Chlorine Is a Toxic

Multiple Choice

Sodium is a highly reactive metal and chlorine is a toxic gas. When they are mixed, they form sodium chloride, which is essential for life. Which of the following statements is true when sodium and chlorine are brought into contact with one another?

A) They form a heterogeneous mixture.
B) They form a homogenous mixture.
C) They form a compound.
D) They may form a heterogeneous or a homogeneous mixture depending on the conditions that prevail during the interaction.