binary compound
compound that is composed of two elements
chemical bond
force that holds atoms together in a compound
chemical formula
chemical shorthand that uses symbols to tell what elements are in a compound and their ratios
covalent bond
attraction formed between atoms when they share electrons
hydrate
compound that has water chemically attached to its atoms and written into its chemical formula
ion
charged particle that has either more or fewer electrons than protons
ionic bond
the force of attraction between the opposite charges of the ions in an ionic compound
molecule
a neutral particle that forms as a result of electron sharing among atoms
nonpolar bond
a covalent bond in which electrons are shared equally by both atoms
nonpolar molecule
molecule that shares electrons equally and does not have oppositely charged ends
oxidation number
positive or negative number that indicates how many electrons an atom has gained, lost, or shared to become stable
polar bond
a covalent bond in which the electrons are not shared equally, resulting in a slightly positive end and a slightly negative end
polar molecule
a neutral molecule in which unequal electron sharing results in a slightly positive end and a slightly negative end
polyatomic ion
positively or negatively charged, covalently bonded group of atoms