Chapter 6: Q6.7CYL (page 308)
Identify the subshell in which electrons with the following quantum numbers are found:
(a)\({\bf{n = 3,l = 1}}\);
(b)\({\bf{n = 5,l = 3}}\);
(c)\({\bf{n = 2,l = 0}}\).
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Question:Write a set of quantum numbers for each of the electrons with annof 3 in an Sc atom.
The ionic radii of the ions \({{\bf{S}}^{{\bf{2}}-}},{\rm{ }}{\bf{C}}{{\bf{l}}^-},{\rm{ }}{\bf{and}}{\rm{ }}{{\bf{K}}^ + }\) are 184, 181, 138 pm respectively. Explain why these ions havedifferent sizes even though they contain the same number of electrons.
List the following ions in order of increasing radius: \({\bf{L}}{{\bf{i}}^ + },{\rm{ }}{\bf{M}}{{\bf{g}}^{{\bf{2}} + }},{\rm{ }}{\bf{B}}{{\bf{r}}^--},{\rm{ }}{\bf{T}}{{\bf{e}}^{{\bf{2}}--}}.\)
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)?
Based on their positions in the periodic table, list the following atoms in order of increasing radius: Mg, Ca, Rb,Cs.
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