Question

which type of matter is gold, an element used in making jewelry? a. a crystalline compound b. a pure substance c. a homogeneous mixture d. a heterogeneous mixture

Explanation:

Gold is an element. Elements are pure substances. A pure substance has a definite and constant composition. A compound is made of two or more elements chemically combined. A mixture (homogeneous or heterogeneous) is made of two or more substances physically mixed. Since gold is an element, it is a pure substance.

Answer:

B. A pure substance