The number of vacant d-orbitals in completely excited Cl atom is :

The number of vacant orbitals of element with atomic number 14 is:

The number of vacant orbitals in the valence shell of phosphorous is ____.

The number of vacant orbitals in the valence shell of phosphorous is ____.

The total number of vacant orbitals involved in bond formation in diborane is

Number of completely filled orbitals in xenon atom (Xe) is

Number of completely filled orbitals in xenon atom (Xe) is:

Statement I : Compared to other noble gases 'Xe' is chemically active. Statement II : 'Xe' has low IP value and vacant 'd' orbitals, available for the excitation of electrons from 'p' orbitals of valence shell.