MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Inorganic ChemistryPeriodic PropertiesPrevious Year Questions

Which two elements in the Periodic Table would you expect to combine in the most violent fashion? (Kerala CEE 2008)

A.H and O

B.Cl and F

C.Mg and N

D.Cs and F✓ Correct

Explanation

Caesium (Cs) has the lowest ionization energy and high metallic character in the periodic table. And fluorine has the highest electronegativity in the periodic table. Therefore, we would expect a violent reaction when it combines. Hence, the correct option is d.

Back to Question Bank

Practice More Like This

Take chapter-wise tests, track your progress, and master Periodic Properties.

Start Free Practice →