9.1 Write the electron configuration of the Magnesium atom, Mg, and the magnesium ion, Mg2+. (1 point) 9.2 Using Slater's rules, calculate the effective nuclear charge felt by an electron in the 2p orbital in a magnesium atom (4 points). Assignment 10 10.1 Determine the oxidation state and the coordination number of the central atom for each of the following complexes (4 points): a. [Al(OH2)6]3+ b. K2[CuCl4] c. [Ni(NH3)6]Cl2 d. [Zn(CN)4]2 10.2 Suggest possible geometries (linear, cubic, octahedral, ...) for these four compounds ( 2 points) 10.3 Name the four compounds (4 points) 10.4 Explain in your own words what is meant by a high-spin/weak field and a low-spin(strong field situation (4 points)