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The electronic configuration of an eleme...

The electronic configuration of an element M is 2,8,4. In modern periodic table, the element M is placed in

A

`4^(th)` group

B

`2^(nd)` group

C

`14^(th)` group

D

`18^(th)` group

Text Solution

Verified by Experts

The correct Answer is:
C
`14^(th)` group
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Knowledge Check

  • The electronic configuration of the atom of an element X is 2,8,4. In modern periodic table, the element X is placed in

    A
    `2^(nd)` group
    B
    `4^(th)` group
    C
    `14^(th)` group
    D
    `8^(th)` group

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    2nd period
    B
    4th period
    C
    3rd period
    D
    1st period

  • In the modern periodic table, elements are arranged in

    A
    increasing mass
    B
    increasing volume
    C
    increasing atomic number
    D
    Alphabetically

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    The electronic configuration of an element 'X' is 2, 8, 8, 2. To which period and group of the periodic table does the element 'X' belong ? State its valency. Justify your answer in each case.

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