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Chemistry
Lanthanum the first element of lanthanide series has
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Q. Lanthanum the first element of lanthanide series has
MGIMS Wardha
MGIMS Wardha 2009
A
only unfilled 3d orbitals
B
unfilled 3d and 4d orbitals
C
unfilled 4d and $ 4f $ orbitals
D
unfilled $ 4f $ and Sd orbitals
Solution:
Lanthanum has unfilled 4f and 5d orbitals.