* Astronomy

Members Login
Username 
 
Password 
    Remember Me  
Post Info TOPIC: Roentgenium


L

Posts: 131433
Date:
RE: Roentgenium
Permalink  
 


Spoiler



__________________


L

Posts: 131433
Date:
Permalink  
 

Roentgenium was first observed in 1994 and several isotopes have been synthesized since its discovery.
Read more



__________________


L

Posts: 131433
Date:
Permalink  
 

Roentgenium is a synthetic radioactive chemical element with the symbol Rg and atomic number 111. It is placed as the heaviest member of the group 11 (IB) elements, although a sufficiently stable isotope has not yet been produced in a sufficient amount that would confirm this position as a heavier homologue of gold.
Read more 



__________________
Page 1 of 1  sorted by
Quick Reply

Please log in to post quick replies.



Create your own FREE Forum
Report Abuse
Powered by ActiveBoard