Classification ...

The increasing order of ionic mobilities is/ are given by

Which of the following pair of ions have the same number of unpaired electrons?

The electronic configuration of an element is 1s² 2s² 2p⁶ 3s² 3p³.The atomic number and the group number of the element ‘X’ which is just below the above element in the periodic table are respectively

Statement-1: The most negative reduction potential values is that of lithium.

Statement-2: Lithium has a high hydration energy value because of its small size.

The element with the lowest atomic number and having ground state electron configuration of (n – 1)d¹⁰ns²np³ is placed in the

which of the following is the correct sequence of the ionic radii.

The correct order of radii is

The second ionization energies of the following atoms are such that