-
Dubnium is a
chemical element with the symbol Db , Electronic configuration [Rn] 5f14 6d3
7s2, Atomic number 105, Atomic mass 261.9 g.mol -1.
-
Dubnium is harmful due
to its radioactivity.
-
Dubnium is a highly
radioactive metal.
- Dubnium is a
radioactive synthetic metal and has only been produced in tiny
amounts.
-
Dubnium is of research
interest only.
-
The atomic weight of
nine known isotopes range from 255 to 263, the longest-lived
isotope, Dubnium 268 has a half-life of 32 hours.
-
Dubnium is not found
free in the environment, it is a synthetic element.
No comments:
Post a Comment