Atomic Structure Questions

The correct set of four quantum numbers for the valence electrons of rubidium atom (Z = 37) is

What is the maximum number of orbitals that can be identified with the following quantum numbers? n = 3, l = l, ml = 0

Calculate the energy in joule corresponding to light of wavelength 45 nm : (Planck′s constant h = 6.63 × 10-34 Js; speed of light c = 3 × 108 ms-1)...

The quantum numbers + 1/2 and - 1/2 for the electron spin represent -

No. of visible lines when an electron returns from 5th orbit to ground state in H spectrum -

The species Ar, K+ and Ca2+ contain the same number of electrons. In which order do their radii increase ?

Which of the following pairs of ions are isoelectronic and isostructural ?

Which of the following is the most correct electron displacement for a nucleophilic reaction to take place?

The number of d-electrons in Fe2+ (Z = 26) is not equal to the number of electrons in which one of the following?

Because of lanthanoid contraction, which of the following pairs of elements have nearly same atomic radii ? (Nubmers in the parenthesis are atomic numbers).

The angular momentum of electron in ′d′ orbital is equal to :-

Which of these statements about [Co(CN)6]3-is true :-

A stream of electrons from a heated filament was passed between two charged plates kept at a potential difference V esu. If e and m are charge and mass of an electron, respectively, then the value of ...

Which of the following pairs of compounds is isoelectronic and isostructural ?

Which one is the wrong statement ?

It is because of inability of ns2 electrons of the valence shell to participate in bonding that:-

Nutural rubber has:

The electronic configurations of Eu (Atomic no. 63), Gd (Atomic NO. 64) and Tb (Atomic No. 65) are:

Two electrons occupying the same orbital are distinguished by:

The pair of electron in the given carbanion, CH3C ≡C⊝is present in which of the following orbitals?...