alleryThe 5f series of inner transition metals is called the:
AChalcogens
BActinoids
CLanthanoids
DHalogenoids
Answer & Solution
Correct answer: B. Actinoids
1. The other inner transition series fills the 5f orbitals.
2. It runs from thorium to lawrencium.
3. These are the actinoids.
_Source: syllabus Chemistry Part I, Chapter 8, The d- and f-Block Elements._
Keep practising The d- and f-Block Elements
Browse all The d- and f-Block Elements questions for CBSE Class 12 (Science), or explore more Chemistry topics.
Related questions
Metals that readily form homogeneous alloys have radii within aboutMany copper(I) compounds in aqueous solution undergoSubstances that are attracted very strongly by a magnetic field are calledThe spin-only magnetic moment of Mn2+ (five unpaired electrons) is nearlyParamagnetism in transition metal ions arises from the presence ofTransition metals form many complexes owing to small ions, high charge andInterstitial compounds of transition metals are chemicallyCompounds formed when small atoms like H, C or N sit inside metal lattices are