Which of the following represents the correct decreasing order of the first ionization energy for $Ba$,$Sr$,$Ca$,and $Mg$?

  • A
    $Mg > Ca > Sr > Ba$
  • B
    $Ca > Sr > Ba > Mg$
  • C
    $Sr > Ba > Mg > Ca$
  • D
    $Ba > Mg > Ca > Sr$

Explore More

Similar Questions

In the second period of the modern periodic table,two elements $X$ and $Y$ have higher first ionization enthalpy values than the preceding and succeeding elements. $X$ and $Y$ are respectively

Assertion $(A)$: First ionisation enthalpy of oxygen is less than that of nitrogen.
Reason $(R)$: Atoms with half-filled or completely filled orbitals are less stable.
The correct option among the following is:

Element having highest $I.P.$ value is

Difficult
View Solution

Which of the following elements has the highest ionisation energy?

The order of first ionization potentials of elements $Li, Be, B, Na$ is:

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo