Join the Most Relevant JEE Main 2025 Test Series & get 99+ percentile! Join Now
Search any question & find its solution
Question: Answered & Verified by Expert
What factor causes the increase in ionization enthalpy as you move across a period in the periodic table?
ChemistryClassification of Elements and Periodicity in PropertiesNEET
Options:
  • A Increased atomic size.
  • B Decreased nuclear charge.
  • C Increased electron-electron repulsion.
  • D Decreased shielding.
Solution:
1818 Upvotes Verified Answer
The correct answer is: Increased electron-electron repulsion.
As you move across a period, increased electron-electron repulsion contributes to the increase in ionization enthalpy.

Looking for more such questions to practice?

Download the MARKS App - The ultimate prep app for IIT JEE & NEET with chapter-wise PYQs, revision notes, formula sheets, custom tests & much more.