Question

lanthanides definition​

Answer 1

any of the series of fifteen metallic elements from lanthanum to lutetium in the periodic table.

Answer 2

Answer:

any of the series of elements with increasing atomic numbers that begins with lanthanum or cerium and ends with lutetium

Explanation:

Medical Definition - any in a series of elements of increasing atomic numbers beginning with lanthanum (57) or cerium (58) and ending with lutetium (71)