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Section 3 Vocab.
| Term | Definition |
|---|---|
| Periodic Table | Is a chart of the elements arranged into rows and columns according to their physical and chemical properties |
| Group | Is a column on the periodic table |
| Periods | The rows on the periodic table |
| Metal | Is an element that is generally shiny. It is easily pulled into wires or hammered into thin sheets. A metal is a good conductor of electricity and thermal energy |
| Luster | Describes the ability of a metal to reflect light |
| Ductility | Is the ability to be pulled into thin wires |
| Malleability | Is the ability of a substance to be hammered or rolled into sheets |
| Alkali Metals | All the elements in group 1 on the periodic table |
| Alkaline Earth Metals | All the elements in group 2 on the periodic table |
| Transition Elements | All the elements in groups 3-12 on the periodic table |
| Nonmetal | Are elements that have no metallic properties |
| Halogen | All the elements in group 17 on the periodic table |
| Noble Gases | All the elements in group 18 on the periodic table |
| Metalliod | Is an element that has physical and chemical properties of both metals and nonmetals |
| Semiconductor | Conducts electricity at high temperatures, but not at low temperatures |