Solutions for Lecture 7: Multielectron Atoms - Edubirdie

University:
Massachusetts Institute of Technology
Course:
5.111SC | Principles of Chemical Science
Academic year:

2022
Views:

150

Pages:

1
Author:

nickigioloy

LECTURE 7 1. (a) Sketch the radial probability distribution for a 5d orbital in a carbon atom. You should label the axes, but do not need to include numbers. Use arrows to indicate the radial nodes. (b) Label the most probable radius, rmp, on your 5d radial probability distribution with an *. (a) radial nodes: 2 * (b) see * on rpd 2. Provide the ground state electron configuration expected for: (a) Ca (c) Cu (e) Fe2+ 1(b) V (d) Br (f) Hf Note that you may always use the shorthand (noble gas) configuration unless specifically asked otherwise. Also correct if all of the core electrons are explicitly written out (correctly). (a) [Ar]4s2 (c) [Ar]4s13d10 (e) [Ar]3d6 (b) [Ar]4s23d3 (d) [Kr] (f) [Xe]6s24f145d2 3. The binding energy for a 3s electron in technetium (Z = 43) is -1090 eV. (a) Calculate the effective nuclear charge, Zeff, experienced by a 3s electron in technetium. (b) Identify the most likely binding energy for a 3s electron in ruthenium (Z = 44) from the following three options: -980 eV, -1090 eV, or -1140 eV. Explain your reasoning. (a) Zeff = 26.8 (b) -1140 eV

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