quiz

Structure of Atom Quiz-1

Answer these simple questions correctly and earn coins

Difficulty Level :
10 Question

Popular Questions In Structure of Atom Quiz-1

  • What is the energy of an electron (m=9.1×1031kgm = 9.1 \times 10^{-31}\, kg) moving with a speed 5.0×1075.0 \times 10^7 kilometer per second?

  • What is the momentum of a particle which has a wave length of 2A02A^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 3.3×102kg ms1.3.3 \times 10^{-2}\text{kg ms}^{-1}.

  • If the energy difference between the ground state of an atom and its excited state is 3.0×1019J3.0 \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 1×1031\times10^3m sec1^{-1}?(Planck’s constant =6.6×1034= 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 1.312×1061.312 \times 10^6 J mol . The energy required to excite the electron in the atom from n1=1n_1 = 1 to n2=2n_2 = 2 is