Answered: Which of the following is true…

Which of the following is true concerning atomic radii? (a) r(S) < r(F) < r(He) (b) r(Sb) < r(In) < r(Sr) (c) r(Ba) < r(Sr) < r(Ca) (d) r(Ar) < r(Cl) < r(F) (e) r(Be)

Principles of Modern Chemistry

8th Edition

ISBN:9781305079113

Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Chapter5: Quantum Mechanics And Atomic Structure

Section: Chapter Questions

Problem 39P: Without consulting any tables, arrange the following substances in order and explain your choice of...

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Question

None

Which of the following is true
concerning atomic radii?
(a) r(S) < r(F) < r(He)
(b) r(Sb) < r(In) < r(Sr)
(c) r(Ba) < r(Sr) <
r(Ca)
(d) r(Ar) < r(Cl) < r(F)
(e) r(Be) <r(Na) < r(Mg)
show work. don't
give Ai generated
solution

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At large interatomic separations, an alkali halide molecule MX has a lower energy as two neutral atoms, M+X ; at short separations, the ionic form (M+)(X) has a lower energy. At a certain distance, Rc , the energies of the two forms become equal, and it is near this distance that the electron will jump from the metal to the halogen atom during a collision. Because the forces between neutral atoms are weak at large distances, a reasonably good approximation can be made by ignoring any variation in potential V(R) for the neutral atoms between Rc and R= . For the ions in this distance range, Rc is dominated by their Coulomb attraction. (a) Express Rc for the first ionization energy of the metal M and the electron affinity of the halogen X. (b) Calculate Rc for LiF, KBr, and NaCl using data fromAppendix F.
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2. Which one of each of the following pairs has the higher ionization energy? Explain in detail for each case. (a) Na or K (b) Ве or B (с) В or C (d) N or O F or Ne (f) Mg or Mg* Ne or Na
WLV2 | Online teachin X OWLV2 | Online teachin X b My Questions | bartleb X O mySigTau M COMM.1113: FUND OF x w.com/ilrn/takeAssignment/takeCovalentActivity.do?locator=assignment-take [References] Arrange the following groups of atoms in order of increasing first ionization energy. (Enter multiple answers as a comma-separated list.) a. Na, K, Mg b. Br, Ne, Rb c. Fe, P, O Submit Answer Try Another Version 3 item attempts remaining
For each of the following pairs of atoms, state which you expect to have the higher first ionization energy. Briefly explain your reasoning: (a) Bi or Xe; (b) Se or Te; (c) K or Ne;
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