Pauli exclusion principle is related to
The species with no electron in the 3d-orbital is
The seperation of Nitrogen from oxygen using fractional distillation of air is possible because
The purity of a solid sample can best be determined by its
The mass of one mole of \((NH_{4})_{2}CO_{3}\) is [O=16.0, N=14.0, C=12.0, H=1.0]
