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
1 The Atom In Modern Chemistry 2 Chemical Formulas, Equations, And Reaction Yields 3 Atomic Shells And Classical Models Of Chemical Bonding 4 Introduction To Quantum Mechanics 5 Quantum Mechanics And Atomic Structure 6 Quantum Mechanics And Molecular Structure 7 Bonding In Organic Molecules 8 Bonding In Transition Metal Compounds And Coordination Complexes 9 The Gaseous State 10 Solids, Liquids, And Phase Transitions 11 Solutions 12 Thermodynamic Processes And Thermochemistry 13 Spontaneous Processes And Thermodynamic Equilibrium 14 Chemical Equilibrium 15 Acid–base Equilibria 16 Solubility And Precipitation Equilibria 17 Electrochemistry 18 Chemical Kinetics 19 Nuclear Chemistry 20 Molecular Spectroscopy And Photochemistry 21 Structure And Bonding In Solids 22 Inorganic Materials 23 Polymeric Materials And Soft Condensed Matter A Scientific Notation And Experimental Error B Si Units, Unit Conversions, And Physics For General Chemistry C Mathematics For General Chemistry Chapter5: Quantum Mechanics And Atomic Structure
Chapter Questions Section: Chapter Questions
Problem 1P: Which of the following combinations of quantum numbers are allowed for an electron in a one-electron... Problem 2P: Which of the following combinations of quantum numbers are allowed for an electron in a one-electron... Problem 3P: Label the orbitals described by each of the following sets of quantum numbers: (a) n=4,l=1 (b)... Problem 4P: Label the orbitals described by each of the following sets of quantum numbers: (a) n=3,l=2 (b)... Problem 5P: Estimate the probability of finding an electron which is excited into the 2s orbital of the H atom,... Problem 6P: Using Table 5.2, write down the mathematical expression for the 2px wave function for an... Problem 7P: How many radial nodes and how many angular nodes does each of the orbitals in Problem 3 have? Problem 8P: How many radial nodes and how many angular nodes does each of the orbitals in Problem 4 have? Problem 9P: Use the mathematical expression for the 2pz wave function of a one-electron atom (see Table 5.2) to... Problem 10P: (a) Use the radial wave function for the 3p orbital of a hydrogen atom (see Table 5.2) to calculate... Problem 11P: Calculate the average distance of the electron from the nucleus in a hydrogen atom when the electron... Problem 12P: The helium ion He+ is a one-electron system whose wave functions and energy levels are obtained from... Problem 13P: Spectroscopic studies show that Li can have electrons in its 1s, 2s, and 2p Hartree orbitals, and... Problem 14P: Spectroscopic studies of Li also show that Zeff(2p)=1.02 . Estimate the energy of the 2p orbital of... Problem 15P: Spectroscopic studies show that Na can have electrons in its 1s, 2s, 2p, and 3s Hartree orbitals,... Problem 16P: Using data from Problems 13 and 15, calculate the average distance of the electron from the nucleus... Problem 17P: Give the ground-state electron configurations of the following elements: (a) C (b) Se (c) Fe Problem 18P: Give the ground-state electron configurations of the following elements: (a) P (b) Tc (c) Ho Problem 19P Problem 20P: Write ground-state electron configurations for the ions Li,B+,F,Al3+,S,Ar+,Br+, and Te . Which do... Problem 21P: Identify the atom or ion corresponding to each of the following descriptions: (a) an atom with... Problem 22P: Identify the atom or ion corresponding to each of the following descriptions: (a) an atom with... Problem 23P: Predict the atomic number of the (as yet undiscovered) element in the seventh period that is a... Problem 24P: (a) Predict the atomic number of the (as yet undiscovered) alkali-metal element in the eighth... Problem 25P: Suppose that the spin quantum number did not exist, and therefore only one electron could occupy... Problem 26P: Suppose that the spin quantum number had three allowed values (ms=0,+12,12) . Give the atomic... Problem 27P: Photoelectron spectra of mercury (Hg) atoms acquired with radiation from a helium lamp at 584.4 Å... Problem 28P: Quantum mechanics predicts that the energy of the ground state of the H atom is 13.6eV . Insight... Problem 29P Problem 30P: Photoelectron spectroscopy studies of silicon atoms excited by X-rays with wavelength 9.8901010m... Problem 31P: Photoelectron spectroscopy studies have determined the orbital energies for fluorine atoms to be... Problem 32P Problem 33P: For each of the following pairs of atoms or ions, state which you expect to have the larger radius.... Problem 34P: For each of the following pairs of atoms or ions, state which you expect to have the larger radius.... Problem 35P: Predict the larger ion in each of the following pairs. Give reasons for your answers. (a) O,S2 (b)... Problem 36P Problem 37P: The first ionization energy of helium is 2370kJmol1 , the highest for any element. (a) Define... Problem 38P: The energy needed to remove one electron from a gaseous potassium atom is only about two-thirds as... Problem 39P: Without consulting any tables, arrange the following substances in order and explain your choice of... Problem 40P: Both the electron affinity and the ionization energy of chlorine are higher than the corresponding... Problem 41P: The cesium atom has the lowest ionization energy, 375.7kJmol1 , of all the neutral atoms in the... Problem 42P: Until recently, it was thought that Ca was unstable, and that the Ca atom therefore had a negative... Problem 43AP: In the hydrogen atom, the transition from the 2p state to the 1s state emits a photon with energy... Problem 44AP: The energy needed to ionize an atom of element X when it is in its most stable state is 500kJmol1 .... Problem 45AP: Suppose an atom in an excited state can return to the ground state in two steps. It first falls to... Problem 46AP: For the Li atom, the energy difference between the ground state and the first excited state, in... Problem 47AP: How does the 3dxy orbital of an electron in O7+ resemble the 3dxy orbital of an electron in a... Problem 48AP: The wave function of an electron in the lowest (that is, ground) state of the hydrogen atom is (r)=(... Problem 49AP: An atom of sodium has the electron configuration [Ne]6s1 . Explain how this is possible. Problem 50AP: (a) The nitrogen atom has one electron in each of the 2px , 2py , and 2pz orbitals. By using the... Problem 51AP: Chromium(IV) oxide is used in making magnetic recording tapes because it is paramagnetic. It can be... Problem 52AP Problem 53AP: Arrange the following seven atoms or ions in order of size, from smallest to largest:... Problem 54AP: Which is higher, the third ionization energy of lithium or the energy required to eject a 1s... Problem 55AP: The outermost electron in an alkali-metal atom is sometimes described as resembling an electron in... Problem 56AP: In two-photon ionization spectroscopy, the combined energies carried by two different photons are... Problem 57AP: For the H atom, the transition from the 2p state to the 1s state is accompanied by the emission of a... Problem 58AP: (a) Give the complete electron configuration (1s22s22p) of aluminum in the ground state. (b) The... Problem 59AP: What experimental evidence does the periodic table provide that an electron in a 5s orbital is... Problem 18P: Give the ground-state electron configurations of the following elements: (a) P (b) Tc (c) Ho
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Which has the more negative electron affinity , O or C? Explain your answer.
Definition Definition Change in energy of a neutral gaseous atom when an electron is added to the atom to form a negative ion.
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