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Unit 1 Stack 3

6.6 C Identify Metals, Nonmetals, Metalloids, and Rare Earth Elements

TermDefinition
Brittle Easily cracked or broken
Conductive Able to transfer heat or electricity easily
Conductor An object or material that is able to transfer heat or electricity easily
Ductile Capable of being shaped into a thin wire
Dull Not reflective or shiny
Element A substance made of only one type of atom
Insulator An object or material that is not able to transfer heat or electricity easily
Luster The ability of a surface to reflect light
Lustrous Reflective; shiny
Malleable Able to be bent, molded into another shape, or pounded into a thin sheet without breaking
Metalloids Elements that have properties of both metals and nonmetals
Metals Substances or elements that are mostly solids, lustrous, good conductors, malleable, and ductile
Nonmetals Substances or elements that are brittle, dull, and poor conductors
Periodic Table A chart that organizes the chemical elements by their similar properties
Rare Earth Elements A group of metal elements with similar properties that includes scandium, yttrium, and the lanthanides
Semiconductor A substance whose electrical conductivity is between that of a conductor and an insulator.
Created by: user-1966742
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