Unit 6: Bonding

IPC

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.