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Atoms and Bonding

ionic bond The attraction between oppositely charged ions.
covalent bond A chemical bond formed when two atoms share electrons.
polar bond A covalent bond in which valence electrons are shared unequally.
nonpolar bond A covalent bond in which valence electrons are shared equally.
element The simplest pure substance that cannot be broken down into other substances.
atom The smallest particle of an element.
valence electrons Electrons involved in bonding between atoms. They are held loosely by the atom.
atomic number The number of protons in the nucleus of an atom.
period A row across the periodic table.
ductile Metals that can be pulled into thin strands or wires.
malleable Metals that can be rolled into thin sheets or beaten into shapes.
theory A well tested idea that explains a wide range of observations.
model Physical, mental, visual, and other representations of an idea.
Created by: sikkwl
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