What is the general electronic configuration of lanthanoids?
- A$[Xe] \, 4f^{1-10} \, 5d^{0-1} \, 6s^2$
- B$[Xe] \, 4f^{1-14} \, 5d^{0-1} \, 6s^2$
- C$[Xe] \, 4f^{0-14} \, 5d^{0-1} \, 6s^2$
- D$[Xe] \, 4f^{1-14} \, 5d^{0-1} \, 6s^{1-2}$
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Similar Questions
Identify the element with the smallest ionic radius in the $+3$ oxidation state from the following:
Which one amongst the following are good oxidizing agents?
$A.$ $Sm^{2+}$
$B.$ $Ce^{2+}$
$C.$ $Ce^{4+}$
$D.$ $Tb^{4+}$
Choose the most appropriate answer from the options given below:
$A.$ $Sm^{2+}$
$B.$ $Ce^{2+}$
$C.$ $Ce^{4+}$
$D.$ $Tb^{4+}$
Choose the most appropriate answer from the options given below:
Most common oxidation states of $Ce$ are
From the list given below,the number of lanthanides which exhibit $+4$ oxidation state in their oxides is: $Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy$
Observe the following $f$-block elements: $Eu (Z=63)$; $Pu (Z=94)$; $Cf (Z=98)$; $Sm (Z=62)$; $Gd (Z=64)$; $Cm (Z=96)$. How many of the above have half-filled $f$-orbitals in their ground state?
DifficultTS EAMCET 2024
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