Chemistry 3301 – Descriptive Inorganic Chemistry Spring Semester 2009 Review for Exam 1 Be able to do the following: Draw and identify the five 3d-orbitals showing their shape, their orientation relative to Cartesian coordinate axes, and the sign of the wave function in each lobe of the orbitals. (Atomic Properties and Covalent Bonding notes, and Miessler & Tarr p. 30) Show how d-orbitals can combine to form σ , π , or δ molecular orbitals. (Miessler & Tarr p. 121) Know in detail the trends in the periodic chart for atomic radius and electronegativity. Know where deviations from the trends occur (use the values on the charts that were given to you for this course). Estimate from memory the Pauling electronegativity of any element in the periodic chart to within 0.3 units (use the chart that was given to you for this course to learn the values). Determine whether a binary compound will be primarily ionic (high melting point, dissolves in polar solvents to give an electrolytic solution) or will have
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