Elements, Compounds, and Mixtures

Front

What is a compound?

Back

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

Tags

NGSS.MS-PS1-1

Front

What is an element?

Back

An element is a pure substance that contains only one kind of atom.

Front

What is a mixture?

Back

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

Front

Is sugar (C12H22O11) an element or a compound?

Back

Sugar is a compound.

Tags

NGSS.MS-PS1-1

Front

What is table salt (NaCl)?

Back

Table salt is a compound.

Tags

NGSS.MS-PS1-1

Front

What does homogeneous mean in terms of mixtures?

Back

A homogeneous mixture has a uniform composition throughout.

Front

What does heterogeneous mean in terms of mixtures?

Back

A heterogeneous mixture has a non-uniform composition.

Front

Can compounds be broken down into simpler substances?

Back

Yes, compounds can be broken down into their constituent elements through chemical reactions.

Front

What is the difference between a compound and a mixture?

Back

A compound is made of two or more elements chemically bonded, while a mixture is a physical combination of substances.

Front

Give an example of a compound.

Back

Water (H2O) is an example of a compound.

Tags

NGSS.MS-PS1-1