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Definition
| anything that has mass and takes up space |
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Definition
| a small particle that makes up most types of matter |
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| law of conservation of matter |
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Definition
| matter is not created or destroyed |
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Definition
| negatively charged particles (-) |
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Definition
| postively charge, central part of the atom |
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Term
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Definition
| postively charged particles in the nucleus (+) |
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Definition
| uncharged particles in the nucleus |
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Definition
| matter made up of only one kind of atom |
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Definition
| the top number on the chart of the periodic table; the number of protons in the nucleus of that element |
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Definition
| atoms of the same element that have different numbers of neutrons |
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Definition
| number of protons plus the number of neutrons |
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Definition
| the weighted average mass of isotopes of an element |
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Definition
| have a shiny or metallic luster and are good conductors of heat and electricity |
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Definition
| they can be bent and pounded into various shapes |
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Definition
| metals can be drawn into wires without breaking |
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Definition
| elements that are usually dull in appearance; most are poor conductors of electricity |
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Definition
| elements that have characteristics of metals and nonmetals. They are found between metals and nonmetals on the periodic table. |
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Definition
| matter that has the same composition and properties |
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Definition
| a substance whose smallest unit is made up of atoms of more than one element bonded together. |
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Definition
| two or more substances come together but don't combine to make a new substance. |
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Definition
| the same throughout, the parts cannot be seen; (milk, brass, kool aid) |
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Term
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Definition
| a mixture that has larger parts that are different from each other. The parts can be seen. (salad, vegetable beef soup) |
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