Structure of Atom Quiz-1

What is the energy of an electron ($m = 9.1 \times 10^{-31}\, kg$) moving with a speed $5.0 \times 10^7$ kilometer per second?

What is the momentum of a particle which has a wave length of $2A^0$?

What are the possible values of four quantum numbers (n, l, m, s) for an electron in 4f orbital?

What is the uncertainty in the position of a particle if the uncertainty is its momentum is $3.3 \times 10^{-2}\text{kg ms}^{-1}.$

If the energy difference between the ground state of an atom and its excited state is $3.0 \times 10^{-19} J$, what is the wavelength of the photon required to produce this transition?

The ionisation energy of H-atom (in the ground state) is x kJ. The energy required for an electron to jump from 2nd to 3rd orbit will be

What is the de Broglie wavelength of a 66 kg man skiing down Kufri hill in Simla at $1\times10^3$m sec$^{-1}$?(Planck’s constant $= 6.6 \times 10^{-34}$ Js)

Which of the following has more unpaired d-electrons?

Which of the following sets of quantum numbers represents the highest energy level in an atom?

The ionisation enthalpy of hydrogen atom is $1.312 \times 10^6$ J mol . The energy required to excite the electron in the atom from $n_1 = 1$ to $n_2 = 2$ is