Intro to Physical Science Ch.3 Sec. 2
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Created by:
epeppersack on October 23, 2009
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7 terms
Terms | Definitions |
|---|---|
| element | matter made of only one kind of atom |
| atomic number | The number of protons in the nucleus of an atom |
| isotopes | atoms of the same element that have different numbers of neutrons |
| atomic weight | number of protons plus the number of neutrons in an atom |
| metals | generally have a shiny or metallic luster and are good conductors |
| nonmetals | elements that are dull in appearance and most are poor conductors. |
| metalloids | elements that have characteristics of metals and non metals |
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