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Unit 2 Vocabulary

Properties of Metals NonMetals and Metalloids

Periodic Table a table in which all the known elements are arranged by properties and represented by symbols
Physical Property a characteristic that can be observed or measured without changing the substance. (color, melting point,etc.)
Metals most elements are metals; they are typically shiny, malleable, and good conductors of heat and electricity.
Non-Metals elements that are typically no shiny, not malleable, and poor conductors of heat and electricity.
Metalloids elements that have properties of both metals and non-metals, sometimes called semiconductors.
Luster a physical property, the way the surface of a substance shines or reflects light.
Conductivity a physical property; the ability or power to easily transfer heat, electricity, or sound.
Malleability a physical property; able to be shaped or formed into thin sheets by hammering or pressure.
Brittle a physical property; tendency to break, snap, or crack without first bending as a result of force.
Insulator a substance that resists electric current, or a material that resists the flow of heat
Conductor a substance that allows the flow of electric charge or transfers thermal energy through matter.
Semi-conductor a substance that shows the property of electrical conductivity between a conductor and insulator.
Created by: angelabaker



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