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Atomic Theory

Vocab for the Atomic Theory

Neutron A subatomic particle about the same mass as a proton but without an electric charge
Electrons The part of an atom that is involved in chemical reaction
Protons Is a positive charge and a neutron that has no charge
Element When something is made up of only one kind of atom
Atom Whether it is a solid, liquid, gas, or matter
Malleable can be smashed without crumbiling
Luster shiny
Ductile can be drawn into thin wire
corrosive rusts
density the degree compactness of a substance
Nobel gases any of the gaseous elements helium, neon, argon, krypton, xenon, and radon, occupying Group 0 (18) of the periodic table. They were long believed to be totally unreactive but compounds of xenon, krypton, and radon are now known.
Transitional metals relating to or characteristic of a process or period of transition.
Alkaline metals any of the elements beryllium, magnesium, calcium, strontium, barium, and radium.They are reactive, electropositive, divalent metals, and form basic oxides that react with water to form comparatively insoluble hydroxides.
alkali metals any of the elements lithium, sodium, potassium, rubidium, cesium, and francium. They are very reactive, electropositive, monovalent metals forming strongly alkaline hydroxides.
halogens any of the elements fluorine, chlorine, bromine, iodine, and astatine, occupying group . They are reactive nonmetallic elements that form strongly acidic compounds with hydrogen, from which simple salts can be made.
Created by: jlopez25