Quantum number which tells the energy of electron is________________?

Related Mcqs:

1. When an electron is moving with velocity of 2.188 x 106 ms-1 in the first orbit of Bohrs model of hydrogen. The de Broglie wavelength of electron is______________?

   A. 0.33 nm
   B. 0.34 nm
   C. 0.35 nm
   D. 0.36 nm

2. The value of e/m ratio of electron is________________?

   A. 6.02 x 1023 C/kg
   B. 1.7588 x 1020 C/kg
   C. 9.1095 x 10-31 C/kg
   D. 1.7588 x 1011 C/kg

3. The mass of one mole of electron is________________?

   A. 1.008
   B. 0.55
   C. 0.184
   D. 1.637

4. Energy required to remove electron from an atom______________?

   A. Ionization potential
   B. Electronegativity
   C. Electron affinity
   D. Activation energy

5. An element having low value of ionization energy and low value of electron affinity is likely to belong to__________________?

   A. Group IA
   B. Group IB
   C. Group VIIA
   D. Group VIII

6. The magnetic quantum number (QN) has its values determined directly by the value of_______________?

   A. Principal (QN)
   B. Azimuthal (QN)
   C. Spin (QN)
   D. Both A & B

7. Three quantum number have been derived from equation of____________________?

   A. de-Broglie
   B. Plancks
   C. Schrodinger
   D. Heisenberg

8. The letters s p d and f are used to represent which quantum numbers________________?

   A. Principal
   B. Azimuthal
   C. Magnetic
   D. Spin

9. The maximum number of orbitals present in a subshell that is represented by Azimuthal quantum number = 3 will be________________?

   A. 1
   B. 3
   C. 5
   D. 7

10. A theoretical link between quantum mechanics and thermodynamics is_________?

    A. Electrchemistry
    B. Matrix mechanics
    C. Statistical thermodynamics
    D. Soectroscopic analysis

    Submitted by: Muhammad Ali Kunbhar