chem ch. 3

what unit is equivalent to Avogadro's number of objects

sum of the atomic masses of all the atoms in a molecule

what is a set of symbols that tells how many of each type of atom is found in an actual molecule of that substance

a symbolic representation of a chemical reaction

what is written on the right side of the yield sign (arrow)

what is written on the left of the yield sign (arrow)

what is the order of a chemical equation

the sum of the masses of the products is always equal to the sum of the masses of the reactants