Unit+1

=Area of Study 1 - = = =


 * Key knowledge **
 * The Periodic Table
 * historical development from Mendeleev to Seaborg
 * trends and patterns of properties within The Periodic Table: atomic number, types of compounds formed, metallic/non-metallic character, chemical reactivity of elements
 * atomic theory
 * historical development of the model of atomic theory with contributions from Dalton to Chadwick
 * limitations of the model of atomic theory
 * mass number, isotopes, calculation of relative atomic mass, electronic configuration including subshells
 * the mole concept including empirical and molecular formulas, percentage composition, Avogadro's constant int
 * interpretation of data from mass spectrometry