11 Nov 2021
Problem 77
Page 338
Section: Challenge Problems
Chapter 8: Periodic Properties of the Elements
Textbook ExpertVerified Tutor
11 Nov 2021
Given information
Group 3A does not show a smooth decrease in first ionization energy, going down the column whereas the elements in groups 1A and 2A show periodicity.
Step-by-step explanation
Step 1.
Group-
is the first group of the 
block elements. The valence shell electronic configuration of these elements is 
.
Unlock all Textbook Solutions
Already have an account? Log in