JEE Main 20203 Sep, Evening shiftChemistryEasyClassification of Elements and Periodicity in Properties127× since 2002
Among the statements (I – IV), the correct ones
are:
(I) Be has smaller atomic radius compared to
Mg.
(II) Be has higher ionization enthalpy than Al.
(III) Charge/radius ratio of Be is greater than
that of Al.
(IV) Both Be and Al form mainly covalent
compounds.