Matter Pre-Assessment

Front

What is a substance made of two or more elements that are chemically combined in a set ratio?

Back

Compound

Front

What type of matter is a combination of two or more substances that are not chemically bonded?

Back

Mixture

Front

What are pure water, salt, and carbon dioxide examples of?

Back

Pure substances (compounds)

Front

What type of matter is formed when two or more elements are chemically bonded?

Back

Compound

Front

What is a substance that cannot be broken down into simpler substances by chemical means?

Back

Element

Front

What is a homogeneous mixture?

Back

A mixture that has a uniform composition throughout.

Front

What is a heterogeneous mixture?

Back

A mixture that consists of visibly different substances or phases.

Front

What is a molecule?

Back

A group of two or more atoms bonded together.

Front

What is an atom?

Back

The smallest unit of an element that retains the properties of that element.

Front

What is a chemical formula?

Back

A representation of a substance using symbols for its constituent elements.