Elements, Compounds, Homogeneous, and Heterogeneous Mixtures

It is composed of one basic unit of matter called an atom.

• Element

• Compound

• Homogeneous Mixture

• Heterogeneous Mixture

It is a material's ability to be hammered or rolled into thin sheets.

• Heat conductivity

• Electrical conductivity

• Malleability

• Ductility

Which type of element has the following properties: brittle, little luster, and poor thermal and electrical conductivity?

• metals

• nonmetals

• metalloids

Which of the following is NOT a classification of a pure substance?

• element

• mixture

• compound

A type of element that has physical and chemical properties of both metal and nonmetal.

(a)  

TRUE or FALSE: Constituent elements of a compound can be separated with each other through a chemical reaction.

• TRUE

• FALSE

This law states that a compound is always composed of the same elements in the same proportion by mass.

(a)  

It is a combination of two or more substances without undergoing chemical change.

• element

• compound

• pure substance

• mixture

A type of mixture that exists in a single phase and has visibly indistinguishable parts.

(a)  

A type of mixture that exists in two or more phases and has visibly distinguishable parts.

(a)