Atomic Structure · Chemistry · COMEDK

Bohr's radius of 2 nd orbit of $$\mathrm{Be}^{3+}$$ is equal to that of

The ion that is isoelectronic with $$\mathrm{CO}$$ is

A proton having mass equal to $$1.66 \times 10^{-27} \mathrm{~kg}$$ is accelerated to one tenth of the velocity of light. If its velocity can be measu...

The energy of an electron in the ground state of Hydrogen atom is $$-2.18 \times 10^{-18} \mathrm{~J}$$. What would be the energy associated with the ...

Minimum number of nodes are present in

$$\mathrm{O^{2-},F^-,Mg^{2+},Al^{3+},O_2,F_2}$$. How many of the species given above isoelectronic?

The spectrum of He$$^+$$ is similar to

The Paschen series of hydrogen spectrum lies in which region?

The total number of nodes are given by

Which of the following series of transitions in the spectrum of hydrogen atom fall in visible region?

The Lyman series of hydrogen spectrum lies in which region

A body of mass 10 mg is moving with a velocity of 100 ms$$^{-1}$$. The wavelength of de-Broglie wave associated with it would be ($$h=6.63\times10^{-3...

Mg$$^{2+}$$ is isoelectronic with