Energy state electrons in a neutral arsenic (As) atom. Now take your diagram and translate it into an electron configuration for arsenic. 4d- 4p- 3d 4s- 3p- 3s- Now write three new diagrams (each group member can choose one) for arsenic that each violate one of the rules discussed above. Explain why your diagram is incorrect. You can make the energy in your new diagrams all equal to save space. 2p- -- 2s-

Energy state electrons in a neutral arsenic (As) atom. Now take your diagram and translate it into an electron configuration for arsenic. 4d- 4p- 3d 4s- 3p- 3s- Now write three new diagrams (each group member can choose one) for arsenic that each violate one of the rules discussed above. Explain why your diagram is incorrect. You can make the energy in your new diagrams all equal to save space. 2p- -- 2s-

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 50AP: (a) The nitrogen atom has one electron in each of the 2px , 2py , and 2pz orbitals. By using the...

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(a) The nitrogen atom has one electron in each of the 2px , 2py , and 2pz orbitals. By using the form of the angular wave functions, show that the total electron density, 2(2px)+2(2py)+2(2pz) , is spherically symmetric (that is, it is independent of the angles and ). The neon atom, which has two electrons in each 2p orbital, is also spherically symmetric. (b) The same result as in part (a) applies to d orbitals, thus a filled or half-filled subshell of d orbitals is spherically symmetric. Identify the spherically symmetric atoms or ions among the following: F , Na, Si, S2,Ar+ , Ni, Cu, Mo, Rh, Sb, W, Au.
Until recently, it was thought that Ca was unstable, and that the Ca atom therefore had a negative electron affinity. Some new experiments have now measured an electron affinity of +2.0kJmol1 for calcium. What is the longest wavelength of light that could remove an electron from Ca ? In which region of the electromagnetic spectrum does this light fall?
What evidence do we have that energy levels in an atom are quantized? State and explain the evidence.
The first ionization energies of As and Se are 0.947 and 0.941 MJ/mol, respectively. Rationalize these values in terms of electron configurations.
In defining the sizes of orbitals, why must we use an arbitrary value, such as 90% of the probability of finding an electron in that region?
What major assumption (that was analogous to what had already been demonstrated for electromagnetic radiation) did de Broglie and Schrodinger make about the motion of tiny panicles?
Criticize or comment on the following statements: (a) The energy of a photon is inversely proportional to its wavelength. (b) The energy of the hydrogen electron is inversely proportional to the quantum number l . (c) Electrons start to enter the fifth principal level as soon as the fourth is full.
Tbe relative orbital levels for the hydrogen atom can be represented as Draw the relative orbital energy levels for atoms with more than one electron and explain your answer. Also explain bow the following radial probability distributions support your answer.