Atoms, Elements, Compounds, Mixtures

Front

What is an atom?

Back

The smallest unit of an element that retains the properties of that element.

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What is an element?

Back

A pure substance that cannot be broken down into simpler substances by chemical means.

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

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 visibly different substances or phases.

Front

What is a solution?

Back

A homogeneous mixture where one substance (solute) is dissolved in another (solvent).

Front

What is an example of a heterogeneous mixture?

Back

A salad, where the individual ingredients remain separate.

Front

What is an example of a homogeneous mixture?

Back

Air, which is a uniform mixture of gases.

Front

How are mixtures formed?

Back

Mixtures are formed by physically combining two or more substances.

Front

What is the process of separating a mixture called?

Back

Separation techniques, such as filtration, distillation, or chromatography.