
(a)
Interpretation:
The member of the group 5A that has the largest size has to be determined.
Concept Introduction:
Atomic size is half of the distance between the adjacent atoms in the molecule. Since the electron cloud has no fixed boundary so the size of the atom is measured with high difficulty.
(b)
Interpretation:
The member of the group 5A that has the smallest ionization energy has to be determined.
Concept Introduction:
The energy that is needed to remove an electron from the isolated, neutral gaseous atom is known as ionization energy. It is represented by

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Chapter 8 Solutions
Chemistry Principles And Practice
- Chemistry: Principles and PracticeChemistryISBN:9780534420123Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward MercerPublisher:Cengage LearningGeneral Chemistry - Standalone book (MindTap Cour...ChemistryISBN:9781305580343Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; DarrellPublisher:Cengage LearningChemistry: Matter and ChangeChemistryISBN:9780078746376Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl WistromPublisher:Glencoe/McGraw-Hill School Pub Co

