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11th Standard English Medium Chemistry Subject Quantum Mechanical Model of Atom Book Back 2 Mark Questions with Solution Part - II Question Bank Software Jun-07 , 2021

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11th Standard English Medium Chemistry Subject Quantum Mechanical Model of Atom Book Back 2 Mark Questions with Solution Part - II

11th Standard English Medium Chemistry Subject Quantum Mechanical Model of Atom Book Back 2 Mark Questions with Solution Part - II

11th Standard

    Reg.No. :
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Chemistry

Time : 00:30:00 Hrs
Total Marks : 10

    Part I

    5 x 2 = 10

  1. The stabilisation of a half filled d - orbital is more pronounced than that of the p-orbital why?

  2. How many radial nodes for 2s, 4p, 5d and 4f orbitals exhibit? How many angular nodes

  3. How fast must a 54g tennis ball travel in order to have a de Broglie wavelength that is equal to that of a photon of green light 5400\(\overset { 0 }{ A } \) ?

  4. Give the electronic configuration of Mn2+ and Cr3+

  5. An atom of an element contains 35 electrons and 45 neutrons. Deduce
    (i) the number of protons
    (ii) the electronic configuration for the element
    (iii) All the four quantum numbers for the last electron

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