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Definition
| the smallest unit of an element |
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Term
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Definition
| a substance made of at least two different elements bonded together |
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Definition
| the measure of how much mass is contained in matter and how tightly the molecules are packed |
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Term
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Definition
| parts of an atom with a negative charge that swirl around the outside of the nucleus |
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Term
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Definition
| matter made of only one type of atom |
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Term
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Definition
| matter that has molecules that move freely past each other with a lot of space between them |
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Term
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Definition
| a pulling force between objects; the more massive the object, the stronger the pull |
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Term
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Definition
| matter that has molecules that are loosely packed together and can flow past each other |
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Term
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Definition
| a measure of the amount of matter in an object |
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Term
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Definition
| anything that has mass and takes up space |
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Term
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Definition
| a combination of two or more substances that are bonded and can be separated by physical methods |
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Term
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Definition
| a combination of atoms bonded together; the smallest unit of a compound |
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Term
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Definition
| parts of an atom that have no charge and are part of the nucleus |
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Term
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Definition
| the central portion of an atom made of protons and neutrons |
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Term
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Definition
| parts of an atom with a positive charge that are part of the nucleus |
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Term
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Definition
| matter that has molecules packed together so they hold their shape and do not flow |
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Term
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Definition
| a mixture in which one substance dissolves in another |
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Term
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Definition
| the amount of space matter takes up |
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Term
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Definition
| a measure of the gravitational pull on an object |
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