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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
Actinoids belongs to following type of elements:
  • A
    $S -$ block element
  • B
    $D -$ block element
  • ✓
    $F -$ block element
  • D
    $P -$ block element
✓

Answer

Correct option: C.
$F -$ block element
The two rows that are generally placed underneath the main Periodic Table are called the lanthanide series and the actinide series.
These two rows are produced when electrons are being added to $f$ orbitals.

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