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Jadison Robinson
Chapter 3.1 - 3.3
Term | Definition |
---|---|
Periodic Table | chart of the elements arranged in rows and columns according to their physical and chemical properties |
Group | column on the periodic table |
Period | row on the periodic table |
Metal | element that is generally shiny. It is easily pulled into wires or hammered into thin sheets. Metal is a good conductor of electricity and thermal energy. |
Luster | ability of a metal to reflect light |
Ductility | ability to be pulled into thin wires |
Malleability | ability of a substance to be hammered or rolled into sheets |
Alkali Metal | the elements in group 1 (column 1) |
Alkali Earth Metal | the elements in group 2 (column 2) |
Transition Element | the elements in groups 3-12 (columns 3-12) |
Nonmetal | elements that have no metallic properties |
Halogen | An element in group 17 (column 17) |
Noble Gas | the elements in group 18 (column 18) |
Metalloid | Element that has physical and chemical properties of both metals and nonmetals |
Semiconductor | conducts electricity at high temperatures, but not at low temperatures |