click below
click below
Normal Size Small Size show me how
Introduction to ES
drew-pnhs-intro to I.S.H. vocab
Question | Answer |
---|---|
What is a pure substance? | Matter that always has exactly the same composition; an element or compound. EX: Table salt, Table sugar |
What is an element? | A substance that cannot be broken down into similar substances. EX: Copper (The Periodic Table) |
What ia an atom? | The smallest particle of an element. |
What is a compound? | A substance that is made from two or more simpler substances and can be broken down into those simpler substances. EX: Silicon Dioxide. |
What is a solution? | A mixture that forms when substances dissolve and form a homogenous mixture. EX: Windshield Wiper Fluid, Tap Water, etc. |
What is a suspension? | A heterogenous mixture that seperates into layers over time. |
What is a colloid? | A mixture that contains some particles that are intermediate in size between the small particles in a solution and the larger particles in a suspension. EX: Fog |
What are heterogenous mixtures? | A type of mixture in which the parts of the mixture are noticeably different from one another. |
What are homogenous mixtures? | A type of mixture in which the substances are so evenly distributed that it is difficult to distinguish one substance in the mixture from another. |