• Lingareddy
    Number of orbit in second period (n) =2 and orbitals (n2) =4 Since, possible values of spin quantum number are +21​,0,−21​  i.e. 3.  Therefore, each orbital can occupy 3 electr...
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  • Anjali
    nhi aaya smj sir
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    Priyanshu kumar
    kha doubt hai anjali?
  • Dinesh khalmaniya Best Answer
    12 elements
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    Dinesh khalmaniya
    got it??
  • Suman Kumar thankyou
    2s + 2p = 4 orbital = 4*3 = 12 element
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  • Priyanshu kumar
    12 electrons
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    Priyanshu kumar
    check this
    • cropped8043392866451083219.jpg