NCERT Solutions for Chapter: Structure of Atom, Exercise 1: Multiple Choice Questions (Type-I)

The number of angular nodes for $4\mathrm{d}$ orbital is _____.  

Which of the following is responsible to rule out the existence of definite paths or trajectories of electrons?

Total number of orbitals associated with third shell will be _____.

Orbital angular momentum depends on _____.

Chlorine exists in two isotopic forms, $\mathrm{Cl}-37$ and $\mathrm{Cl}-35$ but its atomic mass is $35.5$. This indicates the ratio of $\mathrm{Cl}-37$ and $\mathrm{Cl}-35$ is approximately

The pair of ions having same electronic configuration is _____.

For the electrons of an oxygen atom, which of the following statements is correct?

If travelling at the same speeds, which of the following matter waves have the shortest wavelength?