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CHM 241 Spring 2013 Problem Set 1 Due Friday, Jan 18 A. Sketch 2p(x) and 3d(xy) orbitals of the hydrogen atom on a set of Cartesian axes and properly...

inorganic chemistry! this is my first year to learn this course...i am struggling too much!
CHM 241 Spring 2013 Problem Set 1 Due Friday, Jan 18 A. Sketch 2p(x) and 3d(xy) orbitals of the hydrogen atom on a set of Cartesian axes and properly shade each lobe. Identify the nodal planes. B. Write a set of quantum numbers for the valence electrons of the germanium atom. C. The mnemonic device shown below is useful for building up electronic configurations of atoms up to a certain atomic number. What is the last atom for which it is possible to derive the ground electronic configuration from orbitals/shells explicitly listed? Name all orbitals listed in the diagram that have non-zero amplitude at the nucleus (r = 0). 4f 4d 4p 4s 3d 3p 3s 2p 2s 1s D. The radial component of the 2p z wave function of the hydrogen atom appears below. R 21 (r) = 2 -1 6 -1/2 a 0 -5/2 r exp(-r/(2a 0 )) a 0 = 52.8 pm At what value of r does the function 4πr 2 R 2 21 (r) have its maximum? E. Identify the atom (or ion) that has the indicated property or write the electronic configuration of the atom listed, whichever applies. i. [He]2s 2 2p 6 3s 2 3p 6 3d 10 (+2 ion) ii. Ta 4+ iii. Identify the ion X - that is isoelectronic with the potassium ion and forms a stable salt KX. G. The photoelectron spectrum of Ne(g) reveals that two ionizations occur in the range of 20 - 30 eV, and that a third occurs at much higher energy. Rationalize the spectrum. hν (X-Ray) + Ne(g) → Ne + (g) + e - (with excess energy) H. Radiation with a wavelength of 58.4 nm interacts with a hydrogen atom and induces the ejection of an electron. What is the kinetic energy of the departing electron in eV? I. The IE of the hydrogen atom is 13.6 eV. Calculate the Coulomb energy of a negatively charged particle at a distance a 0 from the proton, and account for any difference.
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This question was asked on Jan 18, 2013.

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