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Statements on the history of the periodic law

This type of question, asked 2 times: 24 Jan 2025, 28 Jan 2025. All 2 questions below, oldest first.

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  1. Question 1

    24 Jan 2025

    35
    Which of the following Statements are NOT true about the periodic table? (A) The properties of elements are function of atomic weights. (B) The properties of elements are function of atomic numbers. (C) Elements having similar outer electronic configuration are arranged in same period. (D) An element's location reflects the quantum numbers of the last filled orbital. (E) The number of elements in a period is same as the number of atomic orbitals available in energy level that is being filled. Choose the correct answer from the options given below:

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  2. Question 2

    28 Jan 2025

    114
    Given below are two statements : Statement (I) : According to the Law of Octaves, the elements were arranged in the increasing order of their atomic number. Statement (II) : Meyer observed a periodically repeated pattern upon plotting physical properties of certain elements against their respective atomic numbers. In the light of the above statements, choose the correct answer from the options given below :

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