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Periodic Proper...

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  • Question 1
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    Be resembles Al in its properties, even though they belong to different groups. This is because

  • Question 2
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    The elements that invariably exhibit an oxidation state of +2 are:

  • Question 3
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    CCl4 is the more stable chloride of carbon, whereas PbCl2 is the more stable chloride of lead. The observation is best justified by which of the following facts?

  • Question 4
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    The elements belonging to which of the following groups will have the outermost electron in an s-orbital?

  • Question 5
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    The valence shell electronic configuration (n - 2)f1 - 14, (n - 1)d0 - 1, ns2 belongs to

  • Question 6
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    Which of the following anions is least stable?

  • Question 7
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    Which is the correct order of the first ionisation potentials of the elements of group 13?

  • Question 8
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    Which of the following factor(s) affect the ionisation energy of the elements?

    A. Nuclear charge
    B. Atomic radii
    C. Electronic configuration

  • Question 9
    1 / -0

    The correct order of electron affinity in the group of halogens is:

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