List of top Chemistry Questions on Trends in periodic table

The ionization enthalpy of second period elements vary with atomic number as The elements present at points B and E are

Difference between $S$ and $S^{2-}$ as $S^{2-}$ has

The correct order of ionisation enthalpy for Li, Na, Cl, F is:

Which of the following is second most electronegative element?

Which of the following has lowest ionisation energy?

The property not common between $SO_2$ and $CO_2$ is

The order ionization energies of different orbital is

The one which does not show variable valency is

The increasing order of the first ionisation enthalpies of the elements B, P, S and F (lowest first) is

The correct order of radii is

The correct order of electron affinity among the following is

The correct order of increasing radii of the ions $ {Br^{-}, F^{-} , O^{2-}}$ and $ {S^{2-}}$ is as follows:

The atomic radius increases as we move down a group because

The correct order of decreasing electronegativity values among the elements $I-beryllium, II-oxygen, III-nitrogen$ and $IV-magnesium$, is