Concept explainers
Which of the following ions have noble gas electron configurations?
a. Fe2+, Fe3+, Sc3+, Co3+
b. Tl+, Te2−, Cr3+
c. Pu4+, Ce4+, Ti4+
d. Ba2+, Pt2+, Mn2+
(a)
Interpretation: The ions that shows noble gas configuration is to be identified.
Concept introduction: Nobel gases are those gases which are stable in nature. The electronic configuration gives the representation of distribution of electrons of atoms and molecules. The outer-most shell of these gases is completely filled.
To determine: The ions that shows the noble gas electronic configuration from
Answer to Problem 47E
Explanation of Solution
For
The atomic number of iron
It loses two electrons to form
The outer most shell is not completely filled. Hence, it will not show noble gas configuration.
For
The atomic number of iron
It loses three electrons to form
The outer most shell is not completely filled. Hence, it will not show noble gas configuration.
For
The atomic number of scandium
It loses three electrons to form
The outer most shell is completely filled. Hence, it will show noble gas configuration.
For
The atomic number of cobalt
It loses three electrons to form
The outer most shell is not completely filled. Hence, it will not show noble gas configuration.
(b)
Interpretation: The ions that shows noble gas configuration is to be identified.
Concept introduction: Nobel gases are those gases which are stable in nature. The electronic configuration gives the representation of distribution of electrons of atoms and molecules. The outer-most shell of these gases is completely filled.
To determine: The ions that shows the noble gas electronic configuration from
Answer to Problem 47E
Explanation of Solution
For
The atomic number of thallium
It loses an electron to form
The outer most shell is not completely filled. Hence, it will not show noble gas configuration.
For
The atomic number of tellurium
It gains two electrons to to form
The outer most shell is completely filled. Hence, it will show noble gas configuration.
For
The atomic number of chromium
It loses three electrons to to form
The outer most shell is not completely filled. Hence, it will not show noble gas configuration.
(c)
Interpretation: The ions that shows noble gas configuration is to be identified.
Concept introduction: Nobel gases are those gases which are stable in nature. The electronic configuration gives the representation of distribution of electrons of atoms and molecules. The outer-most shell of these gases is completely filled.
To determine: The ions that shows the noble gas electronic configuration from
Answer to Problem 47E
Explanation of Solution
For
The atomic number of plutonium
It loses four electrons to form
The outer most shell is not completely filled. Hence, it will not show noble gas configuration.
For
The atomic number of cerium
It loses four electrons to to form
The outer most shell is completely filled. Hence, it will show noble gas configuration.
For
The atomic number of titanium
It loses four electrons to to form
The outer most shell is completely filled. Hence, it will show noble gas configuration.
(d)
Interpretation: The ions that shows noble gas configuration is to be identified.
Concept introduction: Nobel gases are those gases which are stable in nature. The electronic configuration gives the representation of distribution of electrons of atoms and molecules. The outer-most shell of these gases is completely filled.
To determine: The ions that shows the noble gas electronic configuration from
Answer to Problem 47E
Explanation of Solution
For
The atomic number of barium
It loses two electrons to form
The outer most shell is completely filled. Hence, it will show noble gas configuration.
For
The atomic number of platinum
It loses two electrons to to form
The outer most shell is not completely filled. Hence, it will not show noble gas configuration.
For
The atomic number of manganese
It loses four electrons to to form
The outer most shell is not completely filled. Hence, it will not show noble gas configuration.
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Chapter 8 Solutions
Chemistry: AP Edition - Package
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