|
Technetium - Dictionary Definition and Overview |
|
Technetium : (noun)
1: a crystalline metallic element not found in nature; occurs
as one of the fission products of uranium [syn: Tc, atomic
number 43]
Based on WordNet 2.0
|
|
Technetium : Symbol: Tc
Atomic number: 43
Atomic weight: (98)
Radioactive metallic transition element. Can be detected in some stars and
the fission products of uranium. First made by Perrier and Segre by
bombarding molybdenum with deutrons, giving them Tc-97. Tc-99 is the most
stable isotope with a half-life of 2.6*10^6 years. Sixteen isotopes are
known. Organic technetium compounds are used in bone imaging. Chemical
properties are intermediate between rhenium and manganese.
Based on WordNet (r) 2.0 (August 2003)
|
|
|
|
|
