ACTINON definition and meaning | Collins English Dictionary actinon in American English (ˈæktəˌnɑn ) noun Origin: ModL < actinium + -on a gaseous radioisotope of radon, formed by disintegration of actinium: at no 86; half-life of 3 92 seconds
Actinon - definition of actinon by The Free Dictionary Define actinon actinon synonyms, actinon pronunciation, actinon translation, English dictionary definition of actinon n A radioactive isotope of radon, Rn-219, having a half-life of 3 96 seconds and produced by the disintegration of actinium American Heritage® Dictionary
Isotopes of radon - Wikipedia There are 39 known isotopes of radon (86 Rn), from 193 Rn to 231 Rn; all are radioactive The most stable isotope is 222 Rn with a half-life of 3 8215 days, which decays into 218 Po
ACTINON Definition Meaning | Dictionary. com ACTINON definition: a chemically inert, gaseous, short-lived isotope of radon that is a member of the actinium series An; 86; 219 See examples of actinon used in a sentence
Radon-219 | chemical isotope | Britannica Radon-219 (actinon; 3 92-second half-life), which is associated with actinium, was found independently in 1904 by German chemist Friedrich O Giesel and French physicist André-Louis Debierne