Search results
Results from the WOW.Com Content Network
Thulium-170 has a binding energy of 8 105.5144(43) keV per nucleon and a half-life of 128.6 ± 0.3 d.It decays by β − decay to 170 Yb about 99.869% of the time, and by electron capture to 170 Er about 0.131% of the time. [1]
half-life minutes 10 3 seconds curium-251: 16.8 1.01 uranium-242: 16.8 1.01 californium-244: 19.4 1.16 bismuth-214: 19.9 1.19 francium-212: 20.0 1.20 curium-237: 20 1.2 carbon-11: 20.334 1.2200 plutonium-233: 20.9 1.25 thorium-233: 21.83 1.310 francium-223: 22.00 1.320 americium-247: 23.0 1.38 uranium-239: 23.45 1.407 radon-212: 23.9 1.43 radon ...
Thulium-169 is thulium's only primordial isotope and is the only isotope of thulium that is thought to be stable; it is predicted to undergo alpha decay to holmium-165 with a very long half-life. [ 10 ] [ 22 ] The longest-lived radioisotopes are thulium-171, which has a half-life of 1.92 years, and thulium-170 , which has a half-life of 128.6 days.
Naturally occurring thulium (69 Tm) is composed of one stable isotope, 169 Tm (100% natural abundance).Thirty-nine radioisotopes have been characterized, with the most stable being 171 Tm with a half-life of 1.92 years, 170 Tm with a half-life of 128.6 days, 168 Tm with a half-life of 93.1 days, and 167 Tm with a half-life of 9.25 days.
This is the longest half-life directly measured for any unstable isotope; [4] only the half-life of tellurium-128 is longer. [ citation needed ] Of the chemical elements, only 1 element ( tin ) has 10 such stable isotopes, 5 have 7 stable isotopes, 7 have 6 stable isotopes, 11 have 5 stable isotopes, 9 have 4 stable isotopes, 5 have 3 stable ...
^^ Bismuth-209 was long believed to be stable, due to its half-life of 2.01×10 19 years, which is more than a billion times the age of the universe. § Europium-151 and samarium-147 are primordial nuclides with very long half-lives of 4.62×10 18 years and 1.066×10 11 years, respectively.
Thulium, 69 Tm; Thulium ... 170 Yb: 171 Tm synth 1.92 y: ... half-life (t 1/2) mode
Be-16 has a half life of 650 yoctoseconds. Be-15 has a half life of 790 yoctoseconds. Be-11m has a half life of 930 yoctoseconds. Be-9m has a half life of 1.25 attoseconds. Be-12m has a half life of 233 nanoseconds. Data from Isotopes of beryllium. 24.115.255.37 19:13, 23 December 2021 (UTC)