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The d & f Block Elements — Chemistry STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceChemistryThe d & f Block Elements1 Mark
MCQ
Transuranic elements begin with:
  • ✓
    $Np$
  • B
    $Cm$
  • C
    $Pu$
  • D
    $U$
✓

Answer

Correct option: A.
$Np$
The transuranic elements are the chemical elemnts with atomic numbers greater than $92\ ($the atomic number of Uranium$).$ Neptunium is the first element of transuranic series with atomic number $93..$

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