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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Use the data in Table 3.1 to plot the logarithm of ionization energy versus the number of electrons removed for Be. Describe the electronic structure of the Be atom.
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5.) Electron Configurations for Ions: Supply the ground state electron configurations for the following ions. You many use the short-hand notation (e.g. Na*: [He]2s 2p°). (a) N (b) Mg*. (c) O (d) Sc* (e) Sn2+ (f) Ar 6.) Formulas of Ions: Predict the formulas of the most stable ions of the following elements (a) Na (b) Mg (c) S (d) Al (e) Br (f) P
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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
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