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Introduction to ES
Matthews - pnh- intro to I.S.H vocab
Question | Answer |
---|---|
What is a pure substance? | Matter that always has exactly the same composition. |
What is an element? | A substance that cannot be broken down into smaller and smaller pieces. |
What is an atom? | The smallest particle in an element. |
What is a compound? | A substance that can be broken down into those simpler substances. |
What is a heterogeneous mixture? | The parts of the mixture that are noticeable. |
What is a homogeneous mixture? | Substances are so evenly distributed that it is difficult to distinguish one substance in a mixture from another. |
What is a solution? | When substances dissolve and form a homogeneous mixture |
What is a suspension? | A heterogeneous mixture that separates into layers over time. |
What is a colloid? | contains some particles that are intermediate in size between the small particles in a solution and the larger particles in a suspension. |