(a)
Interpretation: To list the symbols of all the elements that have given electronic configuration.
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 56A
Explanation of Solution
Given electronic configuration is,
The last electron in the s-subshell, so it is an s-block element. The outer shell or highest occupied energy level contains 1 electron; thus, the given electron configuration is of group 1A. Elements of group 1A are lithium, sodium, potassium, rubidium, and cesium.
Thus, a list of
(b)
Interpretation: To list the symbols of all the elements that have given electronic configuration.
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 56A
Explanation of Solution
Given electronic configuration is,
The last electron in the p-subshell, so it is a p-block element. The outer shell or highest occupied energy level contains 6 electrons; thus, the given electron configuration is of group 6A. Elements of group 6A are oxygen, sulfur, selenium, tellurium, and polonium.
Thus, a list of symbols of elements having a given configuration is,
(c)
Interpretation: To list the symbols of all the elements that have given electronic configuration.
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.
(c)
Answer to Problem 56A
Explanation of Solution
Given electronic configuration is,
The last electron is in d-subshell, so it is a
Thus, a list of symbols of elements having a given configuration is,
Chapter 6 Solutions
Chemistry 2012 Student Edition (hard Cover) Grade 11
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