Question

14. The inner transition metals are made up two series known as:

a. actinide and alkaline
c. lanthanide and actinide
b. actinide and haftinide
d. lanthanide and alkaline

Answer 1

lanthanide and actinide

Step-by-step explanation:

An inner transition metal (ITM) of chemical elements on the periodic table. They are normally shown in two rows below all the other elements. They include elements 57-71, or lanthanides, and 89-103, or actinides.