10th Standard English Medium Science Subject Periodic Classification of Elements Creative 1 Mark Questions with Solution Part - II

10th Standard

    Reg.No. :
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Science

Time : 00:30:00 Hrs
Total Marks : 5
    5 x 1 = 5
  1. The number of neutrons in 8O16 is ________

    (a)

    8

    (b)

    16

    (c)

    32

    (d)

    24

  2. Modern periodic law is based on __________

    (a)

    atomic mass

    (b)

    atomic number

    (c)

    number of neutrons

    (d)

    Both (a) and (b)

  3. The first period of the modern periodic table has ________ elements.

    (a)

    1

    (b)

    2

    (c)

    3

    (d)

    8

  4. The number of elements present in sixth period of modern periodic table is __________

    (a)

    8

    (b)

    18

    (c)

    16

    (d)

    32

  5. Potassium belongs to ________ period

    (a)

    First

    (b)

    Second

    (c)

    Third

    (d)

    Fourth

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