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One electron is present in the outermost...

One electron is present in the outermost shell of the atom of an element X. What would be the nature and value of charge on the ion formed if this electron is removed from the outermost shell?

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An element X is a metal because one electron is present in the outermost shell i.e., 1 valence electron. When this valence electron is removed from the outermost shell, a cation (positive ion) will be formed with a charge of + 1.
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Knowledge Check

  • Electrons in the outermost shell of an atom are called

    A
    conduction electrons
    B
    valence electrons
    C
    donor electrons
    D
    active electrons

  • The number of electrons in the outermost shell of a nonmetal can be

    A
    1,2,3 or 4
    B
    2,3,4 or 5
    C
    4,5,6,7 or 8
    D
    4,5,0 or 2

  • An ion has 18 electrons in the outermost shell it is

    A
    `Cu^(+)`
    B
    `Th^(4+)`
    C
    `Cs^(+)`
    D
    `K^(+)`

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