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STD 12 - 4. d and f- block elements — JEE STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceJEESTD 12 - 4. d and f- block elements4 Marks
MCQ
An element with electronic configuration $[Rn]\, 7s^2\,5f^3\,6d^1$ will fall in
  • A
    Period no. $- 6$, group no. $= 5$, Block $= d$
  • ✓
    Period no. $- 7$, group no. $= III\, B$, Block $= f$
  • C
    Period no. $- 7$, group no. $= 5$, Block $= d$
  • D
    Period no. $- 6$, group no. $= III\, B$, Block $= f$
✓

Answer

Correct option: B.
Period no. $- 7$, group no. $= III\, B$, Block $= f$
b

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