S C Kheterpal, S N Dhawan and, P N Kapil Solutions for Chapter: Structure of Atom, Exercise 11: TEST YOUR GRIP

The number of $2\mathrm{p}$ electrons having spin quantum number $\mathrm{s}=-\frac{1}{2}$ are

The angular momentum of an electron is zero. In which orbital may it be present?

Which of the following expression represents the electron probability function $\left(\mathrm{D}\right)?$

The number of radial nodes in $3\mathrm{s}$ and $2\mathrm{p}$ respectively are

The five $\mathrm{d}$-orbitals are designated as ${\mathrm{d}}_{\mathrm{x}\mathrm{y}},\mathrm{}{\mathrm{d}}_{\mathrm{y}\mathrm{z}},\mathrm{}{\mathrm{d}}_{\mathrm{x}\mathrm{z}},\mathrm{}{\mathrm{d}}_{{\mathrm{x}}^2-{\mathrm{y}}^2}$ and ${\mathrm{d}}_{{\mathrm{z}}^2}.$ Choose the correct statement.

The orbital diagram in which the Aufbau principle is violated is

The outer shell configuration of the most electronegative element is

The electronic configuration, $1{\mathrm{s}}^2\mathrm{}2{\mathrm{s}}^2\mathrm{}2{\mathrm{p}}^6\mathrm{}3{\mathrm{s}}^2\mathrm{}3{\mathrm{p}}^{6}4{\mathrm{s}}^0\mathrm{}3{\mathrm{d}}^9,$ represents a