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Hace 21 horas · Technetium is a chemical element; it has symbol Tc and atomic number 43. It is the lightest element whose isotopes are all radioactive. Technetium and promethium are the only radioactive elements whose neighbours in the sense of atomic number are both stable. All available technetium is produced as a synthetic element.
Hace 21 horas · The Theory of Everything: US distribution only; co-production with StudioCanal and Working Title Films: December 19, 2014: Mr. Turner: International distribution only, co-production with Diaphana Films, Film4 Productions, the British Film Institute, Canal+, Ciné+, France Televisions, France 3 Cinéma and Ingenious Film Partners: January 23 ...