Elements, Compounds, Mixtures

Front

What is a pure substance?

Back

A pure substance is an element or a compound.

Front

What is a homogeneous mixture?

Back

A homogeneous mixture is a mixture that appears to be evenly mixed throughout.

Front

Give an example of an element.

Back

Oxygen is an example of an element.

Front

What forms when two or more substances are physically combined?

Back

A mixture is formed when two or more substances are physically combined.

Front

What is NaHCO₃ an example of?

Back

NaHCO₃ is an example of a compound.

Front

What is an element?

Back

An element is a pure substance that cannot be broken down into simpler substances.

Front

What is a compound?

Back

A compound is a substance formed when two or more elements are chemically bonded together.

Front

What is a mixture?

Back

A mixture is a combination of two or more substances that are not chemically bonded.

Front

What is a heterogeneous mixture?

Back

A heterogeneous mixture is a mixture where the components are not evenly distributed.

Front

What is the difference between an element and a compound?

Back

An element is a single type of atom, while a compound is made of two or more different types of atoms chemically bonded.