(a)
Interpretation: To determine the valence electron in argon.
Concept introduction:
The electron configuration of an element defines how its electrons are arranged throughout its atomic orbitals. Standard notation is used to represent atomic electron configurations, placing all electron-containing atomic subshells in sequential order. The number of electrons held by the subshell is indicated by superscript.
(a)
Answer to Problem 113A
8
Explanation of Solution
The outermost electron is considered a valence electron. The electronic configuration of argon is as follows:
The outermost shell has 8 electrons.
Thus, valence electrons in argon are 8.
(b)
Interpretation: To determine valance electrons in aluminum.
Concept introduction:
The electron configuration of an element defines how its electrons are arranged throughout its atomic orbitals. Standard notation is used to represent atomic electron configurations, placing all electron-containing atomic subshells in sequential order. The number of electrons held by the subshell is indicated by superscript.
(b)
Answer to Problem 113A
3
Explanation of Solution
The outermost electron is considered a valence electron. The electronic configuration of argon is as follows:
The outermost shell has 3 electrons.
Thus, valence electrons in argon are 3.
Interpretation: To calculate valence electrons in selenium.
Concept introduction:
The electron configuration of an element defines how its electrons are arranged throughout its atomic orbitals. Standard notation is used to represent atomic electron configurations, placing all electron-containing atomic subshells in sequential order. The number of electrons held by the subshell is indicated by superscript.
Answer to Problem 113A
6
Explanation of Solution
The outermost electron is considered a valence electron. The electronic configuration of argon is as follows:
The outermost shell has 6 electrons.
Thus, valence electrons in argon are 6.
Interpretation: To calculate valence electrons in beryllium.
Concept introduction:
The electron configuration of an element defines how its electrons are arranged throughout its atomic orbitals. Standard notation is used to represent atomic electron configurations, placing all electron-containing atomic subshells in sequential order. The number of electrons held by the subshell is indicated by superscript.
Answer to Problem 113A
1
Explanation of Solution
The outermost electron is considered a valence electron. The electronic configuration of argon is as follows:
The outermost shell has 1 electron.
Thus, valence electrons in argon are 1.
Chapter 8 Solutions
Chemistry 2012 Student Edition (hard Cover) Grade 11
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