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Show the electron distribution in magnes...

Show the electron distribution in magnesium atom and magnesium ion diagrammatically and also give their atomic numbers.

Text Solution

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Atomic number (Z) of magnesium is 12 .Its electronic distribution is 2,8,2. Magnesium ion `(Mg^(2+))` is formed by the loss of two electronic form the valence shell of the atom .Therefore , the electronic distribution in the ion is 2, 8 .These are shown diagrammatically as follows:
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Knowledge Check

  • The electron distribution in an aluminium atom is

    A
    `2, 8, 3`
    B
    `2, 8, 2`
    C
    `8, 2, 3`
    D
    `2, 3, 8`

  • The number of ultimater electrons in magnesium atom are

    A
    12
    B
    1
    C
    8
    D
    7

  • The number of unpaired electrons in magnesium atom is

    A
    0
    B
    1
    C
    2
    D
    3

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    Write down the electron distribution of chlorine atom. How many electrons are there in the L-shell ? Atomic number of chlorine is = 17.

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    Give two ores of magnesium.

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