Which of the following is a pair of isoelectronic species?
Which of the following is a pair of isoelectronic species? Options (a) Cl₂O₃, ICl₂⁻ (b) ICl₂⁻, CIO₂ (c) IF₂⁺, I₃⁻…
7 years ago
Structure of Atom
Which one of the following species does not exist under normal conditions?
Which one of the following species does not exist under normal conditions? Options (a) Be₂⁺ (b) Be₂ (c) B₂ (d)…
7 years ago
If the energy of a photon is given as : =3.03 × 10⁻¹⁹J then, the wavelength (λ)
If the energy of a photon is given as : =3.03 × 10⁻¹⁹J then, the wavelength (λ) of the photon…
7 years ago
The de-Broglie wavelength associated with a ball of mass 1kg having kinetic energy
The de-Broglie wavelength associated with a ball of mass 1kg having kinetic energy 0.5 J is Options (a) 6.626 x…
7 years ago
The momentum of a particle having a de Broglie wavelength of 10⁻¹⁷metres is
The momentum of a particle having a de Broglie wavelength of 10⁻¹⁷metres is (Given h= 6.625 × 10⁻³⁴Js) Options (a)…
7 years ago
If ionization potential for hydrogen atom is 13.6eV, then ionization potential
If ionization potential for hydrogen atom is 13.6eV, then ionization potential for He⁺ will be Options (a) 54.4 eV (b)…
7 years ago
The correct set of four quantum numbers for the valence electron of rubidium atom
The correct set of four quantum numbers for the valence electron of rubidium atom(Z=37) is Options (a) 5,1,1,+½ (b) 6,0,0,+½…
7 years ago
The order of filling of electrons inthe orbitals of an atom will be
The order of filling of electrons inthe orbitals of an atom will be Options (a) 3d, 4s, 4p, 4d, 5s…
7 years ago
The maximum number of electrons in a subshell is given by the expression
The maximum number of electrons in a subshell is given by the expression Options (a) 4l– 2 (b) 4l+ 2…
7 years ago
Maximum number of electrons in a subshell of an atom is determined
Maximum number of electrons in a subshell of an atom is determined by the following: Options (a) 2l + 1…
7 years ago