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Atomic Theory

TermDefinition
Neutron Has no charge
Electron Negative charge, found in all atoms, acting as an carries for all solids.
Proton Positive Charge
Element When something is made up of only one kind of atom.
Atom The basic unit of a chemical element.
Malleable Can be smashed without crumbling, Good conductors of heat and electricity, React with acids
Density The degree of compactness of a substance
Corrosive Can Rust
Luster Shiny
Ductile Can be drawn into a thin wire
Noble Gases They have eight atoms, and they do not react at all.
Halogens the most reactive non- metals.
Alkali Metals Their atoms have only one valence electron, these are very reactive with water.
Alkali Earth Metals The atoms have two valence electrons. These elements are reactive, but not as reactive as alkali metals.
Transaction Metals Are not as reactive as the alkali metals or the alkaline-earth metals. In fact, some are quite unreactive.
Alloy A metal made by combining two or more metallic elements.
Metal Good conductors
Non-metals Poor conductors
Metalloid Both metals and nonmetals
Created by: flopez1
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