Exam 1 Review

What is chemistry?

• Study of interactions between matter and other matter and energy

• Study of elements and their properties

• Study of atoms, molecules, and compounds

• Study of protons and electrons in the nucleus

What is matter?

• Something that has mass

• Something that takes up space

• Something with volume

• Something that has mass and volume

List three examples of matter. (Don’t say solid, liquid, gas… be specific)

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A ________ property describes something as it is.

A _______ property describes something regarding a change in form of the matter.

• physical

• phase

• chemical

• derived

Explain the difference between a chemical change and a physical change.

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Answer explanation

A chemical change changes the chemical makeup of a molecule whereas a physical change only changes the physical properties.

Which is not an example of a chemical change?

• Burning paper

• Formation of rust

• Rotting food

• All are chemical changes

Matter that has the same physical and chemical properties throughout.

• Solid

• Liquid

• Substance

• Solute

A substance that cannot be broken down into smaller chemical substances.

A combination of more than one element.