Chemistry

8th -

10thgrade

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Structure of Atom

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10 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt

    An element has 16 protons. The number of electrons present in the valence shell of this element are_________.

    6

    2

    8

    4

  • 2. Multiple Choice
    30 seconds
    1 pt

    What is its valency?

    (a)Number of electrons lost during a bond formation

    (b) Number of electrons gained during a bond formation

    (c) Number of electrons shared during a bond formation

    All three options:(a),(b) and (c )

  • 3. Multiple Choice
    30 seconds
    1 pt

    An element has 16 protons and 32 nucleons in its nucleus, how many neutrons are present in the atom?

    8

    16

    18

    48

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