a crystalline metallic element not found in nature; occurs as one of the fission products of uranium
A silvery-gray radioactive metal, the first synthetically produced element, having isotopes with masses ranging from 85 to 118 and half-lives up to 4.2 million years. It is principally used as a tracer in a variety of medical applications. It is a remarkable inhibitor of corrosion in steel, but this use is limited because of radioactivity hazards. Atomic number 43; melting point 2,157°C; boiling point 4,265°C; specific gravity 11.50 (calculated); valence 0, 2, 4, 5, 6, 7.
a permanent council of the United Nations that commissions a country (or countries) to undertake the administration of a territory
Find another word for tc. In this page you can discover 8 synonyms, antonyms, idiomatic expressions, and related words for tc, like: atomic number 43, technetium, lc, Trusteeship Council, r.s., sg, tf and cr.