Concept explainers
To choose: The correct option.
Answer to Problem 28R
The number of electrons in the outermost shell of element is 1. The correct option is (A).
Explanation of Solution
Given:
The given elements are lithium and potassium
Calculation:
The number of the outermost electron of the atom is explain from the electronic configuration of Li and K.
For potassium
Symbol
Atomic Number
Electronic configuration of
For lithium
Symbol
Atomic Number
Electronic configuration of
Thus, the outermost electrons or valence electrons for lithium and potassium is 1.
Conclusion:
Therefore, the correct option is (A).
Chapter 16 Solutions
Glencoe Physical Science 2012 Student Edition (Glencoe Science) (McGraw-Hill Education)
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