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11th Standard English Medium Chemistry Subject Periodic Classification of Elements Book Back 3 Mark Questions with Solution Part - I Question Bank Software Jun-08 , 2021

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11th Standard English Medium Chemistry Subject Periodic Classification of Elements Book Back 3 Mark Questions with Solution Part - I

11th Standard English Medium Chemistry Subject Periodic Classification of Elements Book Back 3 Mark Questions with Solution Part - I

11th Standard

    Reg.No. :
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Chemistry

Time : 00:30:00 Hrs
Total Marks : 15

    Part I

    5 x 3 = 15

  1. The electronic configuration of atom is one of the important factor which affects the value of ionisation potential and electron gain enthalpy. Explain.

  2. In what period and group will an element with Z = 118 will be present?

  3. Elements a, b, c and d have the following electronic configurations:
    a: 1s2, 2s2, 2p6
    b: 1s2, 2s2, 2p6, 3s2, 3p1
    c: 1s2, 2s2, 2p6, 3s2, 3p6
    d: 1s2, 2s2, 2p1
    Which elements among these will belong to the same group of periodic table.

  4. Why halogens act as oxidising agents?

  5. Mention any two anomalous properties of second period elements.

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