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Rohit posted an Question
August 11, 2020 • 01:52 am 30 points
  • IIT JAM
  • Chemistry (CY)

D and f block elements

In d block element what is the meaning of electron get filled up in d orbital of penultimate shell And

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    Dinesh khalmaniya 1 Best Answer

    The electrons are arranged in an atom in various shells around the nucleus. The outermost shell with electrons is called valence shell. The shell inner to outermost shell is called penultimate shell and the one inner to penultimate shell is called anti penultimate shell.

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    Priyanshu kumar best-answer

    penultimate shell is inner to valence shell

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    in d block ,electron is filled is ( n-1 ) d orbitals

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    so it is called d block elements

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