Question

question 4 of 10
where are the lanthanides and actinides found on the periodic table?
a. columns 1 and 2
b. rows 6 and 7, separated from the rest of the table
c. columns 3 - 12, in the center of the table
d. columns 7 and 8

Explanation:

The lanthanides and actinides are located in rows 6 and 7 of the periodic table and are separated from the main - body of the table to keep the table's structure manageable.

Answer:

B. Rows 6 and 7, separated from the rest of the table