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Chemical Period...

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  • Question 1
    4 / -1

    Acidity of pentoxides in VA group

  • Question 2
    4 / -1

    Pentavalence in phosphorus is more stable when compared to that of nitrogen even though they belong to same group is due to :

  • Question 3
    4 / -1

    Oxidising action increases in halogen in the following order

  • Question 4
    4 / -1

    An element X which occurs in the first short period has an outer electronic structure s2p1. What are the formula and acid-base character of its oxides

  • Question 5
    4 / -1

    Hydrogen by donating one electron forms H+. In this property, it resembles with

  • Question 6
    4 / -1

    The properties of the elements are the, periodic function of their atomic numbers. This statement was given by

  • Question 7
    4 / -1

    The properties of Li are similar to those of Mg. This is because:

  • Question 8
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    Elements after atomic number 103 have not been discovered till now. If an element with atomic number 106 were ever discovered which of the following electronic configuration will it possess.

  • Question 9
    4 / -1

    In the modern periodic table, elements are arranged in

  • Question 10
    4 / -1

    Ce(58) is a member of:

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