radium emanation
21Radon — This article is about the chemical element. For other uses, see Radon (disambiguation). astatine ← radon → francium Xe ↑ Rn ↓ Uuo …
22Decay chain — In nuclear science, the decay chain refers to the radioactive decay of different discrete radioactive decay products as a chained series of transformations. Most radioactive elements do not decay directly to a stable state, but rather undergo a… …
23Radon — Eigenschaften …
24Radon — Radongas * * * Ra|don 〈a. [ ′ ] n.; s; unz.; chem. 〉 chem. Element, radioaktives Edelgas, Ordnungszahl 86; Sy 〈veraltet〉 Niton [zu lat. radius „Strahl“] * * * Ra|don [↑ Radium u. ↑ on (4)], das; s; Symbol …
25Friedrich Ernst Dorn — Infobox Scientist name = Friedrich Ernst Dorn image width = caption = Friedrich Ernst Dorn birth date = birth date|1848|7|27 birth place = Guttstadt (Dobre Miasto), Province of Prussia residence = nationality = German death date = death date and… …
26Karl Aschoff — (* 12. Juli 1867 in Bad Kreuznach; † 19. Juli 1945) war ein deutscher Apotheker.[1] Inhaltsverzeichnis 1 Familie 2 Leben 3 Leistungen …
27Marie Curie — Madame Curie redirects here. For the 1943 biographical film about her, see Madame Curie (film). This article is about the chemist and physicist. For the schools named after her, see École élémentaire Marie Curie and Marie Curie High School …
28Actinon — Eigenschaften …
29Niton — Eigenschaften …
30Thoron — Eigenschaften …
