actinium series
1actinium series — natural radioactive decay series starting with uranium 235 and ending with lead 207 …
2actinium series — noun : a radioactive series beginning with actinouranium, constituting the isotope of uranium of mass number 235, and ending with actinium D, constituting the nonradioactive isotope of lead of mass number 207: actinouranium, at. no. 92 (syn.… …
3actinium series — aktinio radioaktyvioji šeima statusas T sritis chemija apibrėžtis Radioaktyviųjų skilimų seka nuo U iki patvaraus Pb. atitikmenys: angl. actinium family; actinium radioactive family; actinium radioactive series; actinium series; uranium actinium… …
4actinium series — Chem. the radioactive series that starts with uranium 235 and ends with a stable isotope of lead of mass number 207. [1955 60] * * * set of unstable heavy nuclei constituting one of the four radioactive series (q.v.). * * * …
5uranium-actinium series — aktinio radioaktyvioji šeima statusas T sritis chemija apibrėžtis Radioaktyviųjų skilimų seka nuo U iki patvaraus Pb. atitikmenys: angl. actinium family; actinium radioactive family; actinium radioactive series; actinium series; uranium actinium… …
6Actinium — (pronEng|ækˈtɪniəm) is a radioactive chemical element with the symbol Ac and atomic number 89, which was discovered in 1899, the earliest discovered of the radioactive elements.CharacteristicsActinium is a silvery, radioactive, metallic element.… …
7actinium radioactive series — aktinio radioaktyvioji šeima statusas T sritis chemija apibrėžtis Radioaktyviųjų skilimų seka nuo U iki patvaraus Pb. atitikmenys: angl. actinium family; actinium radioactive family; actinium radioactive series; actinium series; uranium actinium… …
8actinium family — aktinio radioaktyvioji šeima statusas T sritis chemija apibrėžtis Radioaktyviųjų skilimų seka nuo U iki patvaraus Pb. atitikmenys: angl. actinium family; actinium radioactive family; actinium radioactive series; actinium series; uranium actinium… …
9actinium radioactive family — aktinio radioaktyvioji šeima statusas T sritis chemija apibrėžtis Radioaktyviųjų skilimų seka nuo U iki patvaraus Pb. atitikmenys: angl. actinium family; actinium radioactive family; actinium radioactive series; actinium series; uranium actinium… …
10actinium — /ak tin ee euhm/, n. Chem. a radioactive silver white metallic element that glows blue in the dark, resembling the rare earths in chemical behavior and valence. Symbol: Ac; at. no.: 89; at. wt.: 227. [1900 05; ACTIN + IUM] * * * ▪ chemical… …
