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Which elements has A total of two shel...

Which elements has
A total of two shells, with three electrons in its valence shell ?

Text Solution

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Boron has three electrons in its valence shell.
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Knowledge Check

  • An atom of element A has 3 electrons in its valence shell and an atom of B has 6 electrons in its valence shell. The formula of the compound between these two atoms will be :

    A
    `A_(3)B_(6)`
    B
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    C
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    D
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