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State Mendeleev's periodic law....

State Mendeleev's periodic law.

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i. Mendeleev organized the period table on the basis of atomic masses of elements .
ii. When he arranged the 63 elements known at that time in the increasing order of their atomic masses, he found that the chemical and physical properties of elements showed repetition after certain fixed interval.
iii. On the basis of this finding, he stated that 'properties of elements are a periodic function of their atomic masses' . This is known as Mendeleev's periodic law.
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(a) State Mendeleev's periodic law. What chemical properties of elements were used by Mendeleev in creating his periodic table? (c) State any three limitations of Mendeleev's classification of elements. (d) Besides gallium, which two other elements have since been discovered for which Mendeleev had left gaps in the periodic table? (e) Which group of elements was missing from Mendeleev's original periodic table?

State Mendeleevs periodic law.

Knowledge Check

  • Which of the following is incorrect explanation about Mendeleev's periodic law?

    A
    Mendeleev arranged elements in horizontal rows only
    B
    Mendeleev arranged elements with increasing atomic weight
    C
    Mendeleev's system of classifying elements was more elaborate than that of Lother
    D
    both(1)(2)

  • Which of the following states that properties of elements are a periodic function of their atomic number''? A) Dobereiner's triads B) Modern periodic law C) Newlands's law of octaves D) Mendeleev's periodic law

    A
    Dobereiner's triads
    B
    Modern periodic law
    C
    Newlands's law of octaves
    D
    Mendeleev's periodic law

    • Similar Questions

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    Write short note on Mendeleev's periodic law.

    State Modern Periodic Law ? Why is it considered better than Mendeleev's periodic law for the classification of the elements ?

    What is the difference between Mendeleev's periodic law and modern periodic law?

    (a) What was the basis of Mendeleev's Classification of elements ? (b) List two achievements of Mendeleev's periodic tables. (c) List any two observations which posed a challenge to Mendeleev's periodic law.

    What physical and chemical properties of elements were used by Mendeleev in creating his periodic table? List two observations which posed a challenge to Mendeleev's periodic law.

    In what respect does modern statement of the periodic law differ from stated in Mendeleev's periodic law ?

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