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One bivalent ion has electron configurat...

One bivalent ion has electron configuration 2, 8, 8, 6, its atomic mass is 56. Calculate the number of neutron in it.

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Knowledge Check

  • A metallic ion m^(2+) has na electronic configuration of 2,8,14 and the ionic weight is 56 amu. The number of neutron in its nucleus is

    A
    30
    B
    32
    C
    34
    D
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  • In modern periodic table, if an element has electronic configuration 1s^(2), 2s^(2), 2p^(6), 3s^(2), 3p^(4) , then what will be the atomic number of element, which is just below the element in its group ?

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    B
    34
    C
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    D
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  • The exhibition of various oxidation states by an element is also related to the outer orbital electronic configuration of its atom. Atom (S) having which of the following outermost electronic configurations will exhibit more than one oxidation state in its compounds ?

    A
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    B
    `3d^(1)4s^(2)`
    C
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    D
    `3s^(2)3p^(3)`

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