Classification Of Elements And Periodicity In Properties Question 279
Question: On going down a main sub-group in the periodic table (example $ Li $ to $ Cs $ in IA or $ Be $ to $ Ra $ in IIA), the expected trend of changes in atomic radius is a [CPMT 1981; NCERT 1979]
Options:
A) Continuous increase
B) Continuous decrease
C) Periodic one, an increase followed by a decrease
D) A decrease followed by increase
Show Answer
Answer:
Correct Answer: A
Solution:
Continuous increase as no. of shells increases down the group.
BETA
