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Properties of Matter
Torrie-pnhs-properties of matter I.S. vocab
| Question | Answer |
|---|---|
| What is a pure substance? | A pure substance is matter that always has exactly the same composition. |
| What is an element? | An element is a substance that cannot be broken down into simpler substances. |
| What is an atom? | An atom is the smallest particle of an element. |
| What is a compound? | A compound is a substance that is made from two or more simpler substances and can be broken down into those simpler substances. |
| What is a heterogeneous mixture? | In a heterogeneous mixture the parts of the mixture are noticeably different from one another. |
| What is a homogeneous mixture? | In a homogeneous mixture the substances are so evenly distributed that it is difficult to distinguish one substance in the mixture from another. |
| What is a solution? | A solution is the mixture that forms when substances dissolve and form a homogeneous mixture. |
| What is a suspension? | A suspension is a heterogeneous mixture that separates into layers over time. |
| What is a colloid? | A colliod contains some particles that are intermediate in size between the small particles in a solution and the larger particles in a suspension. |