In each period,the alkali metals...

  • A
    have the smallest size.
  • B
    have the lowest $IE$.
  • C
    have the highest $IE$.
  • D
    have the highest electronegativity.

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Amongst the following elements,the highest ionization energy is

Arrange the following elements in increasing order of first ionization enthalpy:
$Li, Be, B, C, N$
Choose the correct answer from the options given below:

The first ionization enthalpy of $O$ is less than that of $N$,because .........

Which of the following sets has the highest sum of $IE$ values compared to all other sets mentioned?

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Mercury is the only metal which is liquid at $0 \, ^oC$. This is due to its:

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