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Chapter 3 Science
| Term | Definition |
|---|---|
| Periodic Table | A chart of the elements arranged into rows and columns according to their physical and chemical properties. |
| Group | A column on the periodic table. |
| Period | Rows on the periodic table. |
| Metal | A element that is generaly shiny. |
| Luster | Desibe the ability of a metal to reflect light. |
| Ductility | The ability the be pulled into wires. |
| Malleability | The ability of a substance th ebe hammred or rolled into sheets. |
| Alkai Metal | Elements in group one on the periodic table. |
| Alkaline Earth Metal | Elements in group 2 on th eperiodic table. |
| Transition Element | Elements in group 3-12 on the periodic table. |
| Nonmetal | The elements that have no metallic. |
| Hologen | Element in group 17 in th eperiodic table. |
| Noble Gas | Elements in group 18 . |
| Metalloide | An element that has physical and chemical properties of both metals and nonmetals. |
| Semiconductor | Conducts electricity at high temperatures, but not at low temperatures. |