Chapter 6: Q13DQ (page 1401)
Why do the transition elements all have similar chemical properties?
Because all the transition elements have same valence electron in the orbit.
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What are the six known elements for which is a magic number? Discuss what properties these elements have as a consequence of their special values of .
Figure 40.17 shows the scanning tunneling microscope image of 48 iron atoms placed on a copper surface, the pattern indicating the density of electrons on the copper surface. What can you infer about the potential-energy function inside the circle of iron atoms?
The only two stable nuclides with more protons than neutrons are and . why is so uncommon?
Compare the wave functions for the first three energy levels for a particle in a box of width L(see Fig. 40.12a) to the corresponding wave functions for a finite potential well of the same width (see Fig. 40.15a). How does the wavelength in the interval 0≤ x ≤ L for the n= 1 level of the particle in a box compare to the corresponding wavelength for the n= 1 level of the finite potential well? Use this to explain why is less than in the situation depicted in Fig. 40.15b.
Various organic molecules have been discovered in interstellar space. Why were these discoveries made with radio telescopes rather than optical telescopes?
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