Practice test

Periodic table - Test Set 1

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

    Who was the first scientist to make periodic table of elements?
    1. Henry Moseley
    2. Robert Boyle
    3. Mendeleev
    4. John Newlands
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  2. Question 2

    Fill in the blank with the correct option:
    "The properties of elements are the periodic functions of their atomic masses". This is the statement of _______.
    1. Dobereiner's Triad Rule
    2. Newland's octave law
    3. Mendeleev's Periodic Law
    4. Modern Periodic Law
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  3. Question 3

    Name the Russian chemist who proposed that the properties of elements are a periodic function of their atomic masses?
    1. Markovnikov
    2. Zalinsky
    3. Mendeleev
    4. Zaitsev
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  4. Question 4

    Mendeleev's periodic law states that the properties of elements are the periodic function of their______.
    1. Metal
    2. Non-metal
    3. Atomic number
    4. Atomic masses
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  5. Question 5

    Which of the following elements could not find a definite position in Mendeleev's periodic table?
    1. sulphur
    2. nitrogen
    3. oxygen
    4. hydrogen
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  6. Question 6

    In Mendeleev's periodic table, ___ before the nickel?
    1. Sr
    2. Rb
    3. Co
    4. Mo
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  7. Question 7

    The classification of elements by which of the following leads to the discovery of new elements?
    1. Newlands
    2. Mojali
    3. Mendeleev
    4. Dobreiner
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  8. Question 8

    In Mendeleev's periodic table, which of the following group of elements later found a place in the table?
    1. Sc, Ga and Ca
    2. Sc, Ga and Ge
    3. Sc, Ga and Mg
    4. Sc Ga and Na
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  9. Question 9

    Mendeleev's Periodic Table in _____ Was published in a German magazine.
    1. 1874
    2. 1873
    3. 1871
    4. 1872
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  10. Question 10

    Na, Mg, Al, Si, P, S, Cl and Ar are related to _______ period of modern periodic table.
    1. second
    2. fourth
    3. third
    4. first
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  11. Question 11

    Elements in the modern Periodic Table are arranged in _______ vertical columns.
    1. 18
    2. 16
    3. 9
    4. 12
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  12. Question 12

    The Modern Periodic Table is based on ______ of the elements.
    1. Equivalent Weight
    2. Valency
    3. Atomic Mass
    4. Atomic Number
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  13. Question 13

    Which of the first element on the Periodic Table?
    1. Oxygen
    2. Hydrogen
    3. Nitrogen
    4. Carbon dioxide
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  14. Question 14

    ________ shows that the atomic number of an element is more fundamental than its atomic mass?
    1. Henry Cavendis
    2. Henry Mojle
    3. John Newland
    4. Demetri Mendeleev
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  15. Question 15

    Who classified elements based on atomic numbers?
    1. Dobereiner
    2. Moseley
    3. Newland
    4. Mendeleev
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  16. Question 16

    What are transition elements?
    1. The element whose two outermost shells are incomplete
    2. Element that has properties of both metals and non-metals.
    3. They have eight electrons in the outermost shell.
    4. The element whose three outermost shells are incomplete
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  17. Question 17

    What is the first metallie element in the modern periodic table?
    1. Li
    2. Na
    3. He
    4. H2
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  18. Question 18

    If there are 12 protons in the nucleus of an element, then it belongs to group _______.
    1. 2
    2. 4
    3. 8
    4. 6
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  19. Question 19

    In which of the following groups of modern periodic table, noble gases are placed?
    1. 17
    2. 15
    3. 18
    4. 16
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  20. Question 20

    Select the Element which does not belong to the following group:
    1. zinc
    2. neon
    3. helium
    4. xenon
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