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Place an element in the periodic table from its configuration or atomic number

This type of question, asked 4 times: 2021 Paper 12, 28 Jun 2022, 30 Jan 2023, 4 Apr 2026 S1. All 4 questions below, oldest first.

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  1. Question 1

    2021 Paper 12

    23
    An element has the valence shell configuration 4s24p14s^{2}4p^{1}. Identify the element that lies diagonally next to it, in the next period of the p-block.

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  2. Question 2

    28 Jun 2022

    33
    Element "E" belongs to the period 4 and group 16 of the periodic table. The valence shell electron configuration of the element, which is just above ' EE ' in the group is

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  3. Question 3

    30 Jan 2023

    34
    Match List I with List II
    LIST I (Atomic number)LIST II (Block of periodic table)
    A.37I.p-block
    B.78II.d-block
    C.52III.f-block
    D.65IV.s-block
    Choose the correct answer from the options given below:

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  4. Question 4

    4 Apr 2026 S1

    33
    A monoatomic anion (A−)\left( A^{-} \right)has 45 neutrons and 36 electrons. Atomic mass, group in the periodic table and physical state at room temperature of the element (A) respectively are :

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