Lanthanide contraction occurs because
- A$f-$ orbital electrons are easily lost
- B$f-$ orbital are incompletely filled
- C$f-$ orbital do not come out on the surface of atom and are buried inside
- D$f-$ orbital electrons are poor shielders of nuclear charge
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Similar Questions
Which of the following statements is $INCORRECT$?
Difficult
View SolutionWhich element from the following has the largest ionic size in the $+3$ state?
Which is not the correct statement? (At. nos. $Ce = 58, Lu = 71, La = 57, Yb = 70$)
$Ln$ (Lanthanide) $\xrightarrow{\text{With Halogen}} X$
$Ln$ (Lanthanide) $\xrightarrow{\text{Burn With } O_2} Y$
$Ln$ (Lanthanide) $\xrightarrow{\text{Heated with } N_2} Z$
$X, Y$ and $Z$ are respectively:-
$Ln$ (Lanthanide) $\xrightarrow{\text{Burn With } O_2} Y$
$Ln$ (Lanthanide) $\xrightarrow{\text{Heated with } N_2} Z$
$X, Y$ and $Z$ are respectively:-
Difficult
View Solution$4f^2$ electronic configuration is found in
MediumWBJEE 2023
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