2. Many rings and other jewelry are made of gold. Gold can be found on the periodic table as Au. It has a melting point of 1337K and a boiling point of 3234K. What is gold classified as? A. An element B. A Compound
C. A Homogenous Mixture D. A Heterogeneous Mixture

A. An element.

As long as it's on the periodic table, it's always an element.

A compound is made up of two or more elements in a chemical reaction, resulting in covenant and/or ionic bonds.

A homogenous mixture (a solution) is a combination of two or more elements physically without causing a reaction (like salt water or applejuice).

Heterogeneous mixtures are physical combinations that mix but don't appear uniform (think of cereal in milk.)

1.solid

2.carbon dioxide

3.helium