List of top Chemistry Questions on Classification asked in JKCET

Which among the following elements is a metalloid?

The atom of largest size among the following is

Which one of the following elements has the highest negative value for its electron gain enthalpy?

Among $P, S, Cl, F$, the elements with most negative and least negative electron gain enthalpy respectively, are

Among second period elements/the correct order for first ionisation enthalpy is

What are lanthanides and actinides?

Which of the following is the largest is size?

The element with the lowest ionization potential is

The group of elements in which the differentiating electrons enters in the antipenultimate shell of atoms are called