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3.1-3.3 vocab

Voc lesson 1-3 ch 3

TermDefinition
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 a row on the periodic table.
metal an element that is generally shiny, is easily pulled into wires or hammered into thin metal sheets, and is good conductor of electricity and thermal energy.
luster the way a mineral reflects or absorbs light at its surface.
ductility the ability to be pulled into thin wires.
malleability the ability of a substance to be hammered or rolled into sheets.
alkali metal an element in group 1 on the periodic table.
alkali earth metal an element in group 2 on the periodic table.
transition element an element in groups 3-12 on the periodic table.
nonmetal an element that has no metallic properties.
halogen an element in group 17 on the periodic table.
noble gas an element in group 18 on the periodic table.
metalloid an element that has physical and chemical properties of both metals and nonmetals.
semiconductor a substance that conducts electricity at high temperatures but not at low temperature.
Created by: adamsgab2251