126 C and 146 C differ from each other in the number of
Nucleons
Mesons
Electrons
Protons
The orbital diagram in which the aufbau principle is violated is
The maximum number of electrons in a subshell having the same value of spin quantum number is given by
l (l + 1)
√l(l + 1)
l + 2
2l + 1
In the photo electron emission, the energy of the emitted electron is
Smaller than that of the incident photon
Greater than that of the incident photon
Same as that of the incident photon
Proportional to the intensity of the incident photon
The maximum number of electrons which can be accommodated in a 'g' subshell is
14
18
32
8
How many number of spherical nodes will be in 4p orbitals ?
1
3
2
Zero
Isotones are nuclei having
Different atomic numbers
Same mass number
Same number of protons
Same number of neutrons
The transition of electron from n = 3 to n = 1 will produce the shortest wave length in
Li2+
H
He+
H+
What is the frequency ratio between two radiations of wave length 400nm and 700nm in the visible spectrum ?
14/8
4/7
8/14
15/8
The observation that the ground state of nitrogen atom has 3 unpaired electrons in its electronic configuration is associated with
Heisenberg's uncertainty principle
Pauli's exclusion principle
Aufbau principle
Hund's rule of maximum multiplicity
