List of top Chemistry Questions on Structure of atom asked in JKCET

Let the energy of an $ n^{th} $ orbit of $ H $ atom be $ -21.76 \times 10^{19}/n^2\, J $ . What will be the longest wavelength of energy required to remove an electron from the third orbit?

The smallest quantity of energy that can be emitted or absorbed in the form of electromagnetic radiation is known as

Energy of one mole of photons of radiation whose frequency is $ 5\times 10^{14}\,Hz $ is

Negatively charged particles are called

Atoms with identical atomic number but different atomic mass number are known as

What is the total number of electrons that can have the values $n=2, l=1, s=1 / 2$ in the electronic configuration $1 s^{2} 2 s^{2} 2 p^{3} ?$

Calculate the wavelength associated with an electron moving with a velocity of $10^{6} m / s$ (mass of $e^{-}=9.1 \times 10^{-31} kg,\, \left. h=6.6 \times 10^{-34} kg\, m ^{2} s ^{-1}\right)$

Which of the following pairs is not correctly matched?

Bohr model of hydrogen atom was unable to explain

In photoelectric effect, the kinetic energy of the photoelectrons increases linearly with the

What is the maximum number of emission lines obtained when the excited electron of a hydrogen atom in $ n=5 $ drops to the ground state?

Dual behaviour of matter was proposed by

The set of quantum numbers $ n=4,l=0 $ and $ s=+\frac{1}{2} $ correspond to the most loosely bound, ground state electron of which one of the following atoms?

If the de-Broglie wavelength of a particle of mass $m$ is $100$ times its velocity then its value in terms of its mass $ (m) $ and Plants constant $ (h) $ is

Electron density in the $y z$-plane of $3 d_{x^{2}-y^{2}}$ orbital is