bei48482_FM
Molecules 267 I ndividual atoms are rare on the earth and in the lower part of its atmosphere. Only inert gas atoms occur by the ...
268 Chapter Eight rock salt, NaCl, where the bond exists between Naand Clions and not between Na and Cl atoms (Fig. 8.2). Ioni ...
Molecules 269 In H 2 the bond is purely covalent and in NaCl it is purely ionic. In many molecules an intermediate type of bond ...
270 Chapter Eight (a) (b) Total electron energy Proton a Proton b R 0 r V Electron Figure 8.4(a) Potential energy of an electron ...
Molecules 271 Figure 8.5 (a)–(d) The combination of two hydrogen-atom 1swave functions to form the symmetric H 2 wave function ...
272 Chapter Eight We also know what looks like when Ris 0, that is, when the protons are imag- ined to be fused together. Here ...
Molecules 273 b r b (b) + (a) r a a Contours of electron probability + (c) b r a A R + + b r (d) a A R + + (e) r R = ...
274 Chapter Eight energy of H 2 is the 13.6 eV of the hydrogen atom plus the 2.65-eV bond energy, or 16.3 eV in all. In the ...
Molecules 275 2.65 eV for H 2 . However, the H 2 orbitals are not quite the same as those of H 2 because of the electric repu ...
276 Chapter Eight 8.5 COMPLEX MOLECULES Their geometry depends on the wave functions of the outer electrons of their atoms Coval ...
Molecules 277 prohibits two 1selectrons in an atom from having the same spins, which is manifested in a repulsion between He ato ...
278 Chapter Eight configurations of the sand patomic orbitals important in bond formation. What are drawn are boundary surfaces ...
Molecules 279 The atomic orbitals that combine to form a molecular orbital may be different in the two atoms. An example is the ...
280 Chapter Eight in hybrid orbitals that are^13 sand ^23 pin character. In sphybridization, two outer electrons are in pur ...
Molecules 281 (b) c) H H H H H H H CC CC C H H H (a) C C C C C C HH HH H H H C ( H Figure 8.15The benzene molecule. (a) The over ...
282 Chapter Eight 8.6 ROTATIONAL ENERGY LEVELS Molecular rotational spectra are in the microwave region Molecular energy states ...
Molecules 283 W e have been considering only rotation about an axis perpendicular to the bond axis of a diatomic molecules, as i ...
284 Chapter Eight and its moment of inertia Iis Im R^2 (1.14 10 ^26 kg)(1.13 10 ^10 m)^2 1.46 10 ^46 kgm^2 The lowest ...
Molecules 285 Example 8.2 In CO the J 0 SJ1 absorption line occurs at a frequency of 1.15 1011 Hz. What is the bond length o ...
286 Chapter Eight The interatomic force that gives rise to this potential energy is given by differenti- atingU: Fk(RR 0 ) ...
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