Properties and Classification of Matter

Front

What is chemistry?

Back

Chemistry is the study of matter, how it changes, and the energy transformations associated with those changes.

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What is matter?

Back

Matter is anything that has mass and volume.

Front

How many elements are known to exist?

Back

There are 118 known elements.

Front

What is an example of a chemical change?

Back

An example of a chemical change is chemically reacting with another substance, rusting, or burning.

Front

What is distillation?

Back

Distillation is the separation based on differences in the boiling points of the components in the mixture.

Front

What is mass?

Back

Mass is a measure of the amount of matter in an object.

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What is volume?

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Volume is the amount of space that an object occupies.

Front

What is a physical change?

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A physical change is a change that affects one or more physical properties of a substance without altering its chemical composition.

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What is a chemical property?

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A chemical property is a characteristic of a substance that can only be observed during a chemical reaction.

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What is an element?

Back

An element is a pure substance that cannot be broken down into simpler substances by chemical means.