What quantum numbers are required in order to determine the energy of an electron in a many-electron atom? ms n What quantum number is the most important to determine the size of an atomic orbital? ms me n What quantum number describes the orientation of an atomic orbital? ms т п What quantum number describes the general shape of an atomic orbital? me

What quantum numbers are required in order to determine the energy of an electron in a many-electron atom? ms n What quantum number is the most important to determine the size of an atomic orbital? ms me n What quantum number describes the orientation of an atomic orbital? ms т п What quantum number describes the general shape of an atomic orbital? me

Chemistry: Principles and Practice

3rd Edition

ISBN:9780534420123

Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Chapter7: Electronic Structure

Section: Chapter Questions

Problem 7.8QE

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onsider the following statements: “The ionization energy for the potassium atom is negative because when K loses an electron to become K+ , it achieves a noble, gas. electron configuration." Indicate everything that is correct in this statement. Indicate everything that is incorrect. Correct the mistaken information and explain the error.
Using the Bohr model, determine the energy in joules of the photon produced when an electron in a L2+ ion moves from the orbit with n = 2 to the orbit with n = 1.
One bit of evidence that the quantum mechanical model is correct lies in the magnetic properties of matter. Atoms with unpaired electrons are attracted by magnetic fields and thus are said to exhibit pararamagnetism. The degree to which this effect is observed is directly related to the number of unpaired electrons present in the atom. Consider the ground-state electron configurations for Li, N, Ni, Te, Ba, and Hg. Which of these atoms would be expected to be paramagnetic, and how many unpaired electrons are present in each paramagnetic atom?
• rank various orbitals in terms of size and energy.
Sketch an orbital contour that is expected for an electron that has n = 3 and = 2.
Which of the following is a valid set of quantum numbers for an electron in a hydrogen atom? (a) n = 1, = 0, m = 0, ms = 1 (b) n = 1, = 1, m = 0, ms = 1/2 (c) n = 1, = 0, m = 1, ms = + 1/2 (d) n = 1, = 0, m = 0, ms = 1/2
Use the aufbau procedure to obtain the electron configuration and orbital diagram for atoms of the following elements. (a) Be (b) B (c) Ne (d) Rb
Suppose that the spin quantum number did not exist, and therefore only one electron could occupy each orbital of a many-electron atom. Give the atomic numbers of the first three noble-gas atoms in this case.
What type of electron orbital (i.e., s, p, d, or f) is designated by an electron with quantum numbers (a) n=1,l=0,m l =0(b) n=3,l=2,m l =1? (c) n=4,l=3,m l =3
Which of the following sets of quantum numbers correctly represents a 4p orbital? (a) n = 4, = 0, m = 1 (b) n = 4, = 1, m = 0 (c) n = 4, = 2, m = 1 (d) n = 4, = 1, m =2
Consider the following statement "The ionization energy for the potassium atom is negative, because when K loses an electron to become K +, it achieves a noble gas electron configuration." Indicate everything that is correct in this statement. Indicate everything that is incorrect. Correct the incorrect information and explain.
• list the number of orbitals of each type (1s, 3p, etc) in an atom.