Classification of Particles of Matter
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15 terms
Terms | Definitions |
|---|---|
 Model | create a representation or model of an object, event, or idea too big, small, or dangerous to view directly |
| Linear Accelerator | Large electronic device that produces high-energy x-ray beams for treatment of deep-seated tumors.(radiation) |
| Nucleus | a part of the cell containing DNA and RNA and responsible for growth and reproduction |
| Proton | a stable particle with positive charge equal to the negative charge of an electron |
| Neutron | a subatomic particle that has no charge and that is found in the nucleus of an atom |
| Electron | an elementary particle with negative charge |
| Atomic Mass | (chemistry) the mass (in atomic mass units) of an isotope of an element |
| Isotope | one of two or more atoms with the same atomic number but with different numbers of neutrons |
| Periodic Table | A chart of the elements showing the repeating pattern of their properties |
| Chemical Symbol | a one or two letter representation of an element |
| periods | horizontal rows in the periodic table |
| groups | the columns in the periodic table are called ___________ |
| Metals | have a shiny or metallic luster, good conductors of heat and electricity |
| Metalloids | elements that have characteristics of metals and nonmetals |
| Non-metals | elements that are usually dull in appearance, poor conductors of heat and electricity, gases at room temperature |
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