Structure of At...

What is the maximum numbers of electrons that can be associated with the following set of quantum numbers?

n = 3, l = 1 and m = –1

The energy of a photon is 3 × 10^-12 ergs. What is its wavelength in nm ?
( h = 6.62 × 10^-27 ergs, c = 3 × 10¹⁰ cm/s )

Which one of the following is the set of correct quantum numbers of an electron in 3d orbital ?

An electron with values 4, 3, -2 and + 1/2 for the set of four quantum numbers n, l, m_l and m_s, respectively, belongs to

Which of the following is not permissible arrangement of electrons in an atom?

Maximum number of electrons in a subshell of an atom is determined by the following:

If uncertainty in position and momentum are equal, then uncertainty in velocity is :

The atomic number of Ni and Cu are 28 and 29 respectively. The electronic configuration 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ represents

Among the following series of transition metal ions, the one in which all metal ions have 3d ² electronic configuration is (At no. Ti = 22, V = 23, Cr = 24 and Mn = 25)

The number of d-electrons retained in Fe²⁺ (atomic number Fe = 26) ions is