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GUJCET · Chemistry · The d & f Block Elements
Which statement is incorrect with reference to inner transition elements ?
- A The oxides of lanthanoids are basic.
- B Pm is radioactive element among actinoids.
- C The values of ionisation enthalpy of actinoids are less than the values of ionisation enthalpy of lanthanoids.
- D Only in the electronic configuration of lanthanoids like \(Ce , Gd , Lu\) the electrons are filled in \(5 d\) orbitals.
Answer & Solution
Correct Answer
(B) Pm is radioactive element among actinoids.
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