Classification Of Elements And Periodicity In Properties Question 113
Question: Which of the following pairs show reverse properties on moving along a period from left to right and from top to down in a group [DCE 2003]
Options:
A) Nuclear charge and electron affinity
B) Ionisation energy and electron affinity
C) Atomic radius and electron affinity
D) None of these
Show Answer
Answer:
Correct Answer: C
Solution:
Atomic radius increase from top to bottom in a group while decrease from left to right in a period on the other hand electron affinity shows severe trends i.e. decrease from top to bottom in a group and increase from left to right in a period.
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