Elements, Compounds, Mixtures

Front

A substance made of only one type of atom is called —

Back

an element

Front

This picture represents which of the following?

Back

mixture of elements

Front

What is an example of a mixture?

Back

Air

Front

A substance made up of two or more chemically combined elements is —

Back

a compound

Front

A substance that cannot be broken down into any other substance by ordinary chemical means is called —

Back

an element

Front

What is a compound?

Back

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

Front

What is a mixture?

Back

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

Front

Give an example of a compound.

Back

Water (H2O)

Front

What distinguishes an element from a compound?

Back

An element consists of only one type of atom, while a compound consists of two or more different types of atoms chemically bonded.

Front

What is the difference between a homogeneous mixture and a heterogeneous mixture?

Back

A homogeneous mixture has a uniform composition throughout, while a heterogeneous mixture has a non-uniform composition.