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metals and nonmetals

vocabulary words chapter 3 sections 3 & 4

TermDefinition
metal a class of elements characterized by physical properties that include shininess, malleability, ductility, and conductivity
malleable a term used to describe material that can be pounded into shapes
ductile a term used to describe a material that can be pulled into a long wire
conductivity the ability of an object to transfer heat or electricity to another object
reactivity the ease and speed with which an element combines, or reacts with other elements and compounds
corrosion the gradual wearing away of a metal element due to a chemical reaction
alkali metal an element in group 1 of the periodic table
alkaline earth metal an element in group 2 of the periodic table
transition metal one of the elements in groups 3 through 12 on the periodic table
alloy a mixture of two or more elements, one of which is a metal
particle accelerator a machine that moves atomic nuclei at higher and higher speeds until they crash into one another
synthetic elements an element that is not found in nature or has been created in a lab setting
nonmetal an element that lacks most of the properties of metals
diatomic molecule a molecule consisting of two atoms
halogen an element in group 17 of the periodic table
noble gas an element in group18 of the periodic table
metalloid an element that has some characteristics of both metals and nonmetals
semiconductor a substance that can conduct electricity under some conditions
Created by: hallet
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