Chapter 6: Problem 55
Which quantum number defines a shell? Which quantum numbers define a subshell?
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Key Concepts
These are the key concepts you need to understand to accurately answer the question.
Chapter 6: Problem 55
Which quantum number defines a shell? Which quantum numbers define a subshell?
These are the key concepts you need to understand to accurately answer the question.
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Get started for freeWhich of the following species has the greatest number of unpaired electrons: \(\mathrm{S}^{+}, \mathrm{S},\) or \(\mathrm{S}^{-} ?\)
What is the total number of electrons that can be held in all orbitals having the same principal quantum number \(n\) ?
The electron configurations described in this chapter all refer to gaseous atoms in their ground states. An atom may absorb a quantum of energy and promote one of its electrons to a higher-energy orbital. When this happens, we say that the atom is in an excited state. The electron configurations of some excited atoms are given. Identify these atoms and write their groundstate configurations: (a) \(1 s^{1} 2 s^{1}\) (b) \(1 s^{2} 2 s^{2} 2 p^{2} 3 d^{1}\) (c) \(1 s^{2} 2 s^{2} 2 p^{6} 4 s^{1}\) (d) \([\mathrm{Ar}] 4 s^{1} 3 d^{10} 4 p^{4}\) (e) \([\operatorname{Ne}] 3 s^{2} 3 p^{4} 3 d^{1}\)
Some copper compounds emit green light when they are heated in a flame. How would you determine whether the light is of one wavelength or a mixture of two or more wavelengths?
The blue color of the sky results from the scattering of sunlight by molecules in the air. The blue light has a frequency of about \(7.5 \times 10^{14} \mathrm{~Hz}\). (a) Calculate the wavelength (in \(\mathrm{nm}\) ) associated with this radiation, and (b) calculate the energy (in joules) of a single photon associated with this frequency.
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