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Science Vocab
Chemical Building Blocks 1
Question | Answer |
---|---|
Chemical Bond | The force that holds two atoms together. |
Molecule | A particle made of two or more atoms bonded together |
Compound | A pure substance made of two or more elements chemically combined. |
Chemical Formula | A formula that gives the elements in a compoun and the ratio atoms. |
Mixture | Two or more substances that are mixed together but not chemically combined. |
Heterogeneous Mixture | A mixture in which pure substances are unevenly distributed throughout the mixture |
Homogeneous Mixture | A mixture in which substances are evenly distributed throughout the mixture |
Matter | Anything that has mass and occupies space. |
Chemistry | The study of the properties of matter and how matter changes. |
Substance | A single kind of mater that is pure and has 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 a pure substance that describes its ability to change into a different substance. |
Element | A pure substance that cannot be broken down into other substances by chemical or physical |
Atom | The basic particle from which all elements are made. |
Solution | An example of homogenous mixture; forms when substances dissolve. |