Classification Of Elements And Periodicity In Properties Question 20

Question: Which of the following element has the lowest ionization potential [CPMT 1976; RPMT 2002]

Options:

A) Fe

B) H

C) Li

D) He

Show Answer

Answer:

Correct Answer: C

Solution:

$ Li $ belongs to Ist group. There is 1 $ {{e}^{-}} $ in outermost shell. Thus low I.E.