The Lanthanoids

NEET Chemistry · The d- and f-Block Elements · 2 questions, latest first

• The lanthanide ion having four unpaired electrons is (Given: Atomic numbers of Ce=58, Nd=60, Tb=65 and Ho=67 )202621 June · Q67
• Although +3 oxidation state is most common in lanthanoids, cerium still shows +4 oxidation state because:20263 May · Q66