Practice test

Periodic table - Test Set 3

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

    Which of the following represent the correct order of ionisation potential of the elements?
    1. B < Be < N < C < Li
    2. N < C < B < Be < Li
    3. Li < Be < B < C < N
    4. Li < B < Be < C < N
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  2. Question 2

    Arrange the following elements in the increasing order of their metallic property. Li, Na, K, Rb, Cs
    1. Na, Li, Rb, K, Cs
    2. Cs, Rb, K, Na, Li
    3. Li, Na, K, Rb, Cs
    4. Li, Na, K, Cs, Rb
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  3. Question 3

    Multiplication of equivalent weight and valency of an element is equal to_______.
    1. density
    2. atomic weight
    3. relative temperature
    4. atomic
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  4. Question 4

    In modern periodic table, while moving left to right across a period, the metallic character ______.
    1. increases
    2. remain same
    3. decreases
    4. first increases then decreases
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  5. Question 5

    The most electronegative element among the following is
    1. Sodium
    2. Chlorine
    3. Oxygen
    4. Fluorine
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  6. Question 6

    Which among the following has lowest electron affinity?
    1. Fluorine
    2. Chlorine
    3. Bromine
    4. Argon
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  7. Question 7

    Consider the following statements:
    I. In the period, the value of electron affinity increases from left to right.
    II. Electronegativity of the elements increases from top to bottom in a group.

    Which of the above statements is/are correct?
    1. Only I
    2. Only II
    3. Both (a) and (b)
    4. Neither of the above
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  8. Question 8

    The law of Octaves' was proposed by:
    1. Johann Dobereiner
    2. Alexander Newlands
    3. Lothar Meyer
    4. Dmitri Mendeleev
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  9. Question 9

    Which of the following resembles the 10th element in Newland's periodic classification?
    1. third
    2. ninth
    3. fourth
    4. first
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  10. Question 10

    Elements _____ were placed in the periodic table of Newland with halogens.
    1. Mn and As
    2. Fe and Se
    3. Ce and La
    4. Co and Ni
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  11. Question 11

    Which of the following inert gas is kept in period 4 of the periodic table?
    1. Rn
    2. Xe
    3. Ar
    4. Kr
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  12. Question 12

    _________ Is the only non-metal present in group 1 of the modern periodic table?
    1. Hydrogen
    2. Cobalt
    3. Potassium
    4. Rubidium
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  13. Question 13

    Seventh period:
    1. is incomplete with 30 elements.
    2. is incomplete with 32 elements.
    3. is complete with 32 elements.
    4. is incomplete with 23 elements.
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  14. Question 14

    Elements like Li, Na and K ______________ are related to
    1. alkaline soil group
    2. halogen group
    3. zero group
    4. alkali metal group
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  15. Question 15

    The elements of an F-block are called:
    1. Alkaline soil metals
    2. Transitive elements
    3. Internal transition elements
    4. Alkaline metals
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  16. Question 16

    Which of the following scientists does not contribute to the construction of modern periodic table?
    1. Democritus
    2. Al-Razi and John Newlands
    3. Johann Wolfgang Dobereiner
    4. Henry Mosely
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  17. Question 17

    ____________ is tetratomic element?
    1. argon
    2. copper
    3. chlorine
    4. phosphorus
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  18. Question 18

    What is the name of that inert gas, which is placed in the first period in the modern periodic table.
    1. neon
    2. hydrogen
    3. krypton
    4. helium
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  19. Question 19

    __________, generally exhibit variable valency.
    1. Elements of d-block
    2. Non-metals
    3. Elements of s-block
    4. Gaseous elements
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  20. Question 20

    In which groups elements of d-block are found?
    1. 18th group only
    2. Elements of 8th group only
    3. Elements of 9th group
    4. Between 13 to 2 (3-12)
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