Technetium
From Citizendium, the Citizens' Compendium
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Technetium is a synthetic chemical element, having the chemical symbol Tc. Its atomic number (the number of protons) is 43. The most stable isotope has a mass of (98), a half-life of 4.2 million years and is typically found as a solid in its elemental form.
Technetium has a boiling point of 4265°C.
