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Magnesium attains an octet configuration...

Magnesium attains an octet configuration by ________ electrons.

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The correct Answer is:
losing two
losing two
Electronic arrangement of Mg is 2 , 8 , 2 . By losing two electrons , it attains octet configuration.
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The ratio of the number of neutrons present in the two elements X and Y is 5 : 7 and the ratio of mass numbers is 10:13. The element X attains a stable octet configuration by losing two electrons from the fourth shell. Calculate the number of protons, electrons and neutrons present in X and Y.

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Knowledge Check

  • Identify the formula of the corresponding hydride of a non-metal X which attains an octet configuration by gaining three electrons.

    A
    XH
    B
    `XH_(2)`
    C
    `XH_(3)`
    D
    `X_(2)H_(4)`

  • Identify the formula of the corresponding hydride of a non-metal X which attains an octet configuration by gaining two electrons.

    A
    XH
    B
    `XH_(3)`
    C
    `XH_(4)`
    D
    `XH_(2)`

  • Mn has electronic configuration

    A
    2, 8, 8,7
    B
    2, 8, 13, 2
    C
    1, 8, 14, 1
    D
    2, 8, 12, 3

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    The ratio of the number of neutrons present in the two element X and Y is 5:7 and the ratio of mass numbers is 10:13 . Element X attains stable octet configuration by losing two elements from the fourth shell. Calculate the number of proteins , electrons and neutrons present in X and Y.

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