Mole Concept Flashcards
relative isotopic mass
ratio of the mass of an atom of isotope to 1/12 of the mass of a 12C atom
relative atomic mass
ratio of the weighted average mass of an atom of an element to 1/12 of the mass of a 12C atom
relative molecular mass
ratio of the weighted average mass of a molecule to 1/12 of the mass of a 12C atom
relative formula mass
ratio of the weighted average mass of a formula unit of an ionic compound to 1/12 of the mass of a 12C atom
empirical formula
simplest whole number ratio for the atoms of different elements in the compound
molecular formula
actual number of atoms of the different elements in the compound
mole
amount of that substance which contains 6.02 x10^23 particles of that substance