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Chapter 3 Vocab
Vocabulary Words
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 | An element that is generally shiny. |
Luster | The ability of a metal to reflect light. |
Ductility | The ability to be pulled into thin wires. |
Malleability | The ability of a substance to be hammered or rolled into sheets. |
Alkali Metal | Elements in group 1. |
Alkaline Earth Metal | Elements in group 2 on the periodic table. |
Transition Element | The elements in groups 3-12. |
Nonmetal | Elements that have no metallic properties. |
Halogen | Element in group 17 of the periodic table. |
Noble Gas | The elements in group 18. |
Metalloid | An element that has physical and chemical properties of both metals and nonmetals. |
Semiconductor | Conducts electricity at high temperatures, but not at low temperatures. |