List of top Chemistry Questions on Trends in periodic table asked in KEAM

The correct increasing order of metallic character of the elements Si, Be, Mg, Na and P is

The correct decreasing order of the first ionization enthalpies among the elements C, N, O, F is

The increasing order of electronegativity of the three elements O,F and Na is

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