lanthanide

Etymology

Definitions

1. 1

   Any of the 15 rare earth elements from lanthanum to lutetium in the periodic table

   Any of the 15 rare earth elements from lanthanum to lutetium in the periodic table; because their outermost orbitals are not filled, they have very similar chemistry; below them are the actinides.

2. 2

   Any of the 14 rare earth elements from lanthanum to ytterbium (lutetium is excluded by…

   Any of the 14 rare earth elements from lanthanum to ytterbium (lutetium is excluded by some authors as it is a d-block rather than an f-block element).

3. 3

   Any of the 14 rare earth elements from cerium to lutetium (lanthanum having been excluded…

   Any of the 14 rare earth elements from cerium to lutetium (lanthanum having been excluded because it was thought to be a d-block element in the past).

The neighborhood

• synonymlanthanate
• synonymlanthanoid
• synonymlanthanon
• synonymrare-earth element
• neighborlanthanum
• neighborcerium
• neighborpraseodymium
• neighborneodymium
• neighborpromethium
• neighborsamarium
• neighboreuropium
• neighborgadolinium
• neighborterbium
• neighbordysprosium
• neighborholmium
• neighborerbium