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IPC
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Compound
Two or more elements chemically combined
Chemical formula
Tells what elements and how many of each element are in a unit of that compound
Octet rule
Atoms will gain, lose, or share electrons in order to have 8 electrons in their outer shell
Chemical bond
Force that holds atoms together in a compound
Ionic bond
When atoms transfer electrons in order to be stable
Ions
Charged atom that has gained or lost electrons
Oxidation number
The charge on an ion
Polyatomic ions
A positively or negatively charged, covalently bonded group of atoms
Covalent bond
Bond that results from the sharing of electrons between two nonmetals
Molecule
Compound formed when 2 or more elements bond covalently.