the isotopic composition of all elements
41B²FH — B2FH (pronounced B squared F H ) is the initials of Geoffrey Burbidge, Margaret Burbidge, William Fowler and Fred Hoyle, and is used to reference a well known astrophysics paper titled Synthesis of the Elements in Stars published in 1957 [E. M.… …
42Planète tellurique — Les quatre planètes telluriques (à l échelle) du système solaire : Mercure, Vénus, Terre et Mars. Les planètes telluriques (du latin tellus, la terre, le sol), en opposition aux planètes gazeuses, sont des planètes …
43Isotopes of lutetium — Naturally occurring lutetium (Lu) is composed of 1 stable isotope Lu 175 (97.41% natural abundance). 33 radioisotopes have been characterized, with the most stable being Lu 176 with a half life of 3.78 times; 1010 years (2.59% natural abundance) …
44Isotopes of ytterbium — Naturally occurring ytterbium (Yb) is composed of 7 stable isotopes, Yb 168, Yb 170, Yb 171, Yb 172, Yb 173, Yb 174, and Yb 176, with Yb 174 being the most abundant (31.83% natural abundance). 27 radioisotopes have been characterized, with the… …
45Isotopes of dysprosium — Naturally occurring dysprosium (Dy) is composed of 7 stable isotopes, 156 Dy, 158 Dy, 160 Dy, 161 Dy, 162 Dy, 163 Dy and 164 Dy, with 164 Dy being the most abundant (28.18% natural abundance). 28 radioisotopes have been characterized, with the… …
46Isotopes of gadolinium — Naturally occurring gadolinium (Gd) is composed of 5 stable isotopes, 154Gd, 155Gd, 156Gd, 157Gd and 158Gd, and 2 radioisotopes, 152Gd and 160Gd, with 158Gd being the most abundant (24.84% natural abundance).Thirty radioisotopes have been… …
47Isotopes of europium — Naturally occurring europium is composed of 2 isotopes, 151Eu and 153Eu, with 153Eu being the most abundant (52.2% natural abundance). While 153Eu is stable, 151Eu was recently found to be unstable to alpha decay with half life of 5 { 3}^{+11}… …
48Isotopes of samarium — Naturally occurring samarium (Sm) is composed of 4 stable isotopes, 144Sm, 150Sm, 152Sm and 154Sm, and 3 extremely long lived radioisotopes, 147Sm (1.06e|11y), 148Sm (7e|15y) and 149Sm (>2e|15y), with 152Sm being the most abundant (26.75% natural …
49Isotopes of silver — Naturally occurring silver (Ag) is composed of the two stable isotopes 107Ag and 109Ag with 107Ag being the more abundant (51.839% natural abundance). Standard atomic mass: 107.8682(2) u. Twenty eight radioisotopes have been characterised with… …
50Isotopes of cadmium — Naturally occurring cadmium (Cd) is composed of 8 isotopes. For two of them, natural radioactivity was observed, and three others are predicted to be radioactive but their decays were never observed, due to extremely long half life times. The two …
