Atoms, Elements, Compounds, Mixtures

Front

What is an atom?

Back

The smallest unit of an element, consisting of protons, neutrons, and electrons.

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What is an element?

Back

A pure substance made of only one kind of atom.

Front

What is a compound?

Back

A substance formed when two or more different elements chemically bond together.

Front

What is a mixture?

Back

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

Front

What is a homogeneous mixture?

Back

A mixture that has a uniform composition throughout, such as coffee.

Front

What is a heterogeneous mixture?

Back

A mixture that consists of visibly different substances or phases, such as salad.

Front

What is a colloid?

Back

A mixture where tiny particles of one substance are evenly distributed throughout another substance, such as shampoo.

Front

What is a suspension?

Back

A mixture in which particles are dispersed but not dissolved, such as sand and water.

Front

How are mixtures formed?

Back

Mixtures are formed by physically mixing substances together.

Front

What is the difference between a compound and a mixture?

Back

A compound is formed by chemical bonding of elements, while a mixture is a physical combination of substances.