Name: Take-Home Quiz 4 Complete all of the following problems and be sure to sho

Question

Name: Take-Home Quiz 4 Complete all of the following problems and be sure to show all your work to get full credit. You are allowed to use your book and discuss the problems with your fellow classmates. This quiz will be due at the beginning of lecture on Tuesday, 7/10. 1. (6 points) Rank the following elements (CI, Ne, Cr, Br, Na, Si, Rb) in order of the periodic trends listed below. a Increasing atomic radius b. Increasing ionization energy c. More exothermie (more negative) electron affinity 2. (2 points) How many 5f orbitals are there? How many electrons in total can these orbitals hold? Give any set of quantum numbers (n, t, m) that specify a 5f orbital. 3. (8 points) Give the electron configurations for the following atoms/ions. a. Pb: b. Cl: c. Ni+: d. Se?

Explanation / Answer

Question 1

a. Increasing atomic radius

Ne < Cl < Br < Si < Cr < Na < Rb

b. Increasing Ionization energy

Rb < Na < Cr < Si < Br < Cl < Ne

c. More exothermic electron affinity

Ne < Rb < Na < Cr < Si < Br < Cl

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