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Unit 2- Objectives Recall a very brief history of Atomic Theory Know and understand the five main aspects of Dalton’s Atomic Theory Recall some of the experiments that led to the identification of sub-atomic particles Know the three particles that make up the atom and their relative charges, masses and positions in the atom Be able to use the Atomic # and Mass # of an isotope to calculate the numbers of protons, neutrons and electrons present Know what the term isotope means and be able to perform simple calculations relating to isotopic data Understand Coulombic attraction and its affect on the force of charged particles Understand the term mole and use it in calculating molar mass Know and use Avogadro’s number in molar conversions Understand that regular, repeatable patterns occur in the periodic table Be able to recall the group names of groups 1, 2, 17 and 18 Appreciate that these patterns sometimes have notable exceptions Understand how many physical properties change gradually when moving about the periodic table Understand the phenomenon of radioactivity and the properties of radioactive particles Be able to write nuclear equations Understand the terms nuclear fission and fusion Recall some uses of radioactivity