In what periods are the lanthanides and actinides? Where are they placed in the periodic table?

1 Answer
Tartar C.
Apr 26, 2017

Lanthanides and actinides are in periods 6 and 7, respectively.

Explanation:

Lanthanides and actinides are in periods 6 and 7, respectively. Generally, they are placed underneath the periodic table. The lanthanides are between Barium and Hafnium. The actinides are between Radium and Rutherfordium.

Google Images

Related questions
See all questions in The Periodic Table
Impact of this question
24824 views around the world
You can reuse this answer
Creative Commons License