Elements, Compounds, & Mixtures

Front

What is an element?

Back

An element is a substance that cannot be broken down into any other substance by ordinary chemical means.

Front

What is a compound?

Back

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

Front

Is air a mixture?

Back

True, air is a mixture of different gases.

Front

What is the difference between an element and a compound?

Back

An element is a pure substance that cannot be broken down, while a compound is made up of two or more elements that are chemically combined.

Front

Give an example of a compound.

Back

Carbon Dioxide (CO2) is an example of a compound.

Front

What is a mixture?

Back

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

Front

Can compounds be separated into their elements?

Back

Yes, compounds can be separated into their elements through chemical reactions.

Front

What is the chemical formula for table salt?

Back

The chemical formula for table salt is NaCl, which is a compound made of sodium and chlorine.

Front

What is the primary characteristic of a homogeneous mixture?

Back

A homogeneous mixture has a uniform composition throughout.

Front

What is the primary characteristic of a heterogeneous mixture?

Back

A heterogeneous mixture has a non-uniform composition, with distinct phases or components.