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

1.  2

2.  4

3.  9

4.  3

Orbital angular momentum depends on _______.

1.  l

2.  n and l

3.  n and ${\mathrm{m}}_{\mathrm{l}}$

4.  ${\mathrm{m}}_{\mathrm{l}}$ and ${\mathrm{m}}_{\mathrm{s}}$

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

1. 1:2

2. 1:1

3. 1:3

4. 3:1

Which pair of ions has the same electronic configuration?

For the electrons of an oxygen atom. The correct statement among the following is :

Identify the matter waves with the shortest wavelength when traveling at the same speeds :

Match the following species with their corresponding ground state electronic configuration.

Match the quantum numbers with the information provided by them:

Match the ensuing rules with the corresponding statements:
 

Match types of wave in Column-I with the corresponding frequency in Column-II and mark the appropriate option: