Periodic Table PDF - Lesson Objectives

Lesson Objectives: At the end of the discussion students are expected to: ü Identify the parts and components of...

Lesson Objectives: At the end of the discussion students are expected to: ü Identify the parts and components of the periodic table. PERIODIC TABLE ü Memorize the elements and symbols found in the CHE 026 – GENERAL CHEM STRY periodic table. ü Differentiate metals from nonmetals. History of Periodic Table Ø 1869 Dimitri Meandeleev & Lothar Meyer - increasing atomic weight Ø 1913 Henry Moseley - nuclear charge (atomic numbers) Ø Ernest Rutherford and Niels Bohr - repeated similarities of behavior with structural similarities A. Identify the Element A. Identify the Element K B A. Identify the Element A. Identify the Element As Cs A. Identify the Element A. Identify the Element S Ca A. Identify the Element A. Identify the Element Na Xe A. Identify the Element A. Identify the Element Rn Sb A. Identify the Element A. Identify the Element Mn Mg A. Identify the Element A. Identify the Element Cr Kr A. Identify the Element A. Identify the Element H W A. Identify the Element A. Identify the Element Hg Metal vs Nonmetal Melting Point Metal vs Nonmetal Metal vs Nonmetal State of Matter Luster Metal vs Nonmetal Metal vs Nonmetal Electrical Conductivity Malleability Metal vs Nonmetal Metalloids Ductility Ductility Metalloids Terminologies Antimony (Sb) ü Atomic Radius Germanium (Ge) - measure of the size of the atom. ü lonization Potential Silicon (Si) - amount of energy needed by a gaseous atom inorder to Arsenic (As) remove an electron from its outermost orbital. Tellurium (Te) ü Electron Affinity - amount of energy released when a neutral atom Polonium (Po) gains an electron from outside. Boron (B) ü Electronegativity - ability of an atom to attract electrons from outside. Astatine (At) Terminologies Coinage Metals COPPER SILVER GOLD Coinage Metals Thank you for listening!