Question

Which is a mixture? potassium metal chlorine gas potassium chloride potassium and chlorine

Answer 1

Potassium and Chlorine

Explanation:

Potassium metal (K), chlorine gas (Cl), and potassium chloride (KCl) are all homogeneous compounds. Potassium and chlorine is a mixture because the parts are all heterogeneous or separate.

Answer 2

None are mixtures.

Explanation:

The components of a mixture do not react to form a compound.

Potassium metal and chlorine gas are elements that are the reactants for the product potassium chloride, which is a compound.

`"2K(s) + Cl"_2("g")"` `rarr` `"2KCl(s)"`