Welcome to biology-online.org! Please login to access all site features. Create account.
Log me on automatically each visit
| Page history
| Printable version
A series of radioactive elements from actinium, atomic number 89, to and including lawrencium, atomic number 103. They are the theoretical analogs of the rare earth metal series.
Please contribute to this project, if you have more information about this term feel free to edit this page
This page was last modified 21:16, 3 October 2005. This page has been accessed 842 times. What links here
| Related changes
| Permanent link
© Biology-Online.org. All Rights Reserved.
Register | Login
| About Us | Contact Us | Link to Us | Disclaimer & Privacy | Powered by CASPION