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Definition
| the basic particles from which all elements are made |
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| a negatively charged particle that is found outside the nucleus of an atom |
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Definition
| the central core of an atom |
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| a positively charged particle that is part of an atom's nucleus |
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Definition
| a region of an atom in which electrons of the same energy are likely to be found |
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Definition
| a small particle in the necleus of an atom that has no charge |
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| the number of protons in the nucleus of an atom |
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Definition
| an atom with the same number of protons and a different number of neutrons |
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| the average mass of all isotopes in an element |
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| a chart of the elements showing the repeating pattern in their properties |
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Definition
| a term used to describe material that can be pounded into shapes |
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| a term used to describe a material that can be pulled out into a long wire |
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Definition
| the ability of an object to transfr heat |
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Definition
| the ability of an object to transfer electric current |
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Definition
| the ease and speed which an element combines |
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| the grudually wearing away of a metal element due to chemical reaction |
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| a machine that moves atomic nuclei at higher and higher speeds until they collide |
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| an element that lacks most proerties of a metal |
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Definition
| an element that has some characteristics of both metal and non metal |
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Definition
| a material that conducts current under certain conditions |
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Definition
| a horizontal row of elements in the periodic tabel |
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Definition
| elements in the same verticle column in the periodic tabel |
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Definition
| a one or two letter representation of an element |
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| a class of elements characterized by physical properties that include shinyness, malleability, ductility, and conductivity |
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