The energies E₁and E₂ of two radiations are 25 eV and 50 eV respectively. The relation between their wavelengths ie \(\lambda \)₁ and\(\lambda \)₂ will be ___________

For d-electron, the orbital angular momentum is ___________

The subsidiary quantum number decides ______

Which of the following configuration is correct for iron?

How many electrons in an atom with atomic number 105 can have (n + 1) = 8 ? 

The stabilisation of a half filled d - orbital is more pronounced than that of the p-orbital why?

Which quantum number reveal information about the shape, energy, orientation and size of orbitals?

Give the electronic configuration of Mn²⁺ and Cr³⁺

Write the values of four quantum numbers present in the last electron in, an atom having the electronic configuration
(i) 1s² 2s² 2p¹ 
(ii) 1s² 2s² 2p⁶ 3s² 3p².

How many electrons in sulphur (z = 16) can have n + 1 = 3?

Which quantum accounts for the orientation of the electron orbital?

How many electrons can have s+ 1/2 in a d-subshell?

Explain briefly the time independent schrodinger wave equation?

Describe the Aufbau principle

Determine the values of all the four quantum numbers of the 8^th electron in O- atom and 15^th electron in Cl atom.

What is the de Broglie wavelength (in cm) of a 160 g cricket ball travelling at 140 Km hr ^-1.

Suppose that the uncertainty in determining the position of an electron in an orbit is 0.6 \(\mathring{A}\) . What is the uncertainty in its momentum

Explain about
(i) Magnetic quantum number
(ii) Spin quantum number

Explain the angular distribution function of 1s, 2s, 3s, 2p, 3d and 4f orbits.