Study Guide for Chpt 6 Test

Chapter 6 Test Study Guide

--atomic mass--know what it represents average mass of all isotopes
--know how to convert from amu to atom and atom to amu
--remember set up of     what you know from question x what you are looking for/what you need to get rid of
--know what a mole represents and always represents is 6 x 10(23) units of atoms or molecules (Avogadro's number)
--know that to convert grams to moles then moles to atoms
--remember there is no conversion between atoms to grams, keep it simple
--know how to calculate molar mass and that the chemical formula tells you the number of moles of that atom
--remember that the periodic table shows the amu for 1 atom OR the grams for 1 mole of the element
--know how to calculate the mass percent of an element after working out the molar mass of a compound
--know what the law of conservation of mass tells you that matter cannot be created nor destroyed
--keep in mind the laboratories activities as they could be used for your test as well