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Section 1 Quiz
Question | Answer |
---|---|
Matter | Anything that has mass and takes up space |
Chemistry | The study of the properties of matter and how matter changes. |
Substance | A single kind of matter that is pure, meaning it always has a specific make up- or composition- and a specific set of properties. |
Physical Property | A characteristic of a pure substance that can be observed without changing it into another substance. |
Chemical Property | A characteristic of pure substance that describes its ability to change into different substances. |
Element | A pure substance that cannot be broken down into any other substances by chemical or physical means. |
Atom | The basic particle from which all elements are made. |
Chemical bond | A force of attraction between two atoms. |
Molecules | Group of two or more atoms held together by chemical bonds. |
Compound | A pure substance made of two or more elements chemically combined in a set ratio. |
Chemical Formula | It shows the elements in the compound and the ratio of atoms. |
Mixture | Made of two or more substances- elements, compounds, or both- that are together in the same place but are not chemically combined. |
Heterogeneous Mixture | You can see the different parts. |
Homogeneous Mixture | Are so evenly mixed that you can't see the different parts. |