Practice test

Periodic table - Test Set 2

Review 20 exam-focused questions with detailed explanations, then start the interactive test when you are ready.

20 questions

Questions and explanations

  1. Question 1

    Atomic number of actinides ____________________ is?
    1. 89-102
    2. 57-70
    3. 58-71
    4. 90-103
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  2. Question 2

    How many groups and periods exist in the modern Periodic table?
    1. 9 groups, 9 periods
    2. 7 groups, 8 periods
    3. 18 groups, 7 periods
    4. 8 groups, 7 periods
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  3. Question 3

    Which of the following is the correct pair according to the increase in atomic number when moving from left to right?
    1. Ca, Cl
    2. Be, B
    3. Na, Ne
    4. He, H
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  4. Question 4

    Which group in the modern periodic table includes elements that are inert gases?
    1. Group 17
    2. Group 15
    3. Group 16
    4. Group 18
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  5. Question 5

    In the modern periodic table, which two periods have 8 elements?
    1. 4 and 5
    2. 3 and 4
    3. 1 and 2
    4. 2 and 3
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  6. Question 6

    Which of the following statements is correct?
    1. Dobereiner arranged element by the help of triads methods
    2. Law of triads seemed to work for large number of elements
    3. The properties of Br were in between those of Cl and 1
    4. Both (a) and (c)
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  7. Question 7

    Which of the following relationship proposed graphically by Lothar Meyer?
    1. Chemical properties vs atomic weight
    2. Physical properties vs atomic weight
    3. Physical properties vs atomic number
    4. Chemical properties vs atomic number
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  8. Question 8

    Mendeleev’s left the gap under aluminium and a gap under silicon having atomic weights 68 and 72 respectively. These elements respectively are
    1. Eka-aluminium and Eka-silicon
    2. aluminium and silicon
    3. Eka-germanium and Eka-silicon
    4. Eka-aluminium and Eka-germanium
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  9. Question 9

    Statement I The third period contains only 8 electrons and not 18 like fourth period.

    Statement II In third period, filling starts from 3s1​​ and complete at 3p6
    whereas in fourth period it starts from 4s1 and complete after 3d10 and 4s2
    1. Both the Statements are individually true and Statement II is the correct explanation of Statement I.
    2. Both the Statements are individually true but Statement II is not the correct explanation of Statement I.
    3. Statement I is true, but Statement II is false.
    4. Statement I is false, but Statement II is true.
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  10. Question 10

    Consider the following statements:
    I. In Mendeleev’s periodic table, position of the isotopes was not fixed.
    II. In the 19th century, Mendeleev propounded periodic law is based on atomic mass.

    Which of the above statement(s) is/are correct?
    1. Only I
    2. Only II
    3. Both (a) and (b)
    4. Either of them
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  11. Question 11

    SSC 2017
    In a periodic table, while moving from left to right in a period, number of remains same.
    1. electrons
    2. protons
    3. shells
    4. neutrons
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  12. Question 12

    SSC 2019
    Which of the following is not a noble gas?
    1. Neon
    2. Hydrogen
    3. Helium
    4. Argon
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  13. Question 13

    Which one of the following metal is the best conductor of electricity?
    1. Gold
    2. Silver
    3. Copper
    4. Zinc
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  14. Question 14

    RRB NTPC 2016
    Which of the following is a noble metal?
    1. Iron
    2. Silver
    3. Aluminium
    4. Bronze
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  15. Question 15

    SSC 2016
    Which of the following is the heaviest metal?
    1. Gold
    2. Silver
    3. Iron
    4. Copper
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  16. Question 16

    Which of the following metal is called quick silver?
    1. Silver
    2. Aluminium
    3. Mercury
    4. Lead
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  17. Question 17

    Which of the following metal is to be found in the liquid state at the room temperature?
    1. Mercury
    2. Platinum
    3. Lead
    4. Zinc
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  18. Question 18

    RRB NTPC 2016
    Which of the following metal pollutes the air of a big city?
    1. Copper
    2. Chromium
    3. Lead
    4. Cadmium
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  19. Question 19

    The heaviest naturally occurring element is
    1. Thorium
    2. Uranium
    3. Mercury
    4. Polonium
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  20. Question 20

    Which one of the following represents the correct order of electron releasing tendency of metals?
    1. Zn > Cu > Ag
    2. Ag > Cu > Zn
    3. Cu > Zn > Ag
    4. Cu > Ag > Zn
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