Chapter 6: Q36 E (page 277)
Which of the subshells described in the previous question contain degenerate orbitals? How many degenerate
orbitals are in each?
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Question:Cobaltโ60 and iodineโ131 are radioactive isotopes commonly used in nuclear medicine. How many protons,neutrons, and electrons are in atoms of these isotopes? Write the complete electron configuration for each isotope.
Question:Use an orbital diagram to describe the electron configuration of the valence shell of each of the following
atoms:
(a) N
(b) Si
(c) Fe
(d) Te
(e) Mo
Describe the properties of an electron associated with each of the following four quantum numbers:n,l,ml, andms.
Question:Which of the following equations describe particle-like behavior? Which describe wavelike behavior? Do any
involve both types of behavior? Describe the reasons for your choices.
(a)c=ฮปฮฝ
(b)E=mฮฝ2
2
(c)r=n2a0
Z
(d)E = hฮฝ
(e)ฮป=h
mฮฝ
Question:Consider the orbitals shown here in the outline.
(a) What is the maximum number of electrons contained in an orbital of type (x)? Of type (y)? Of type (z)?
(b) How many orbitals of type (x) are found in a shell withn= 2? How many of type (y)? How many of type (z)?
(c) Write a set of quantum numbers for an electron in an orbital of type (x) in a shell withn= 4. Of an orbital of type
(y) in a shell withn= 2. Of an orbital of type (z) in a shell withn= 3.
(d) What is the smallest possiblenvalue for an orbital of type (x)? Of type (y)? Of type (z)?
(e) What are the possiblelandmlvalues for an orbital of type (x)? Of type (y)? Of type (z)?
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