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There is a page named "Protactinium-212" on Wikipedia
- Protactinium (91Pa) has no stable isotopes. The four naturally occurring isotopes allow a standard atomic weight to be given. Twenty-nine radioisotopes...16 KB (1,568 words) - 12:24, 27 July 2024
- 270 uranium-238m 280 curium-245m 290 thallium-192m2 296 polonium-212 299 protactinium-220m1 308 bismuth-202m2 310 polonium-205m1 310 plutonium-243m 330...69 KB (284 words) - 22:46, 26 June 2024
Otto Hahn (section Discovery of protactinium)and Lise Meitner discovered radioactive isotopes of radium, thorium, protactinium and uranium. He also discovered the phenomena of atomic recoil and nuclear...114 KB (14,397 words) - 08:06, 3 August 2024- decay chains of 232Th, 235U, and 238U. 28 isotopes of protactinium are known with mass numbers 212–239 as well as three excited isomeric states. Only 231Pa...130 KB (11,594 words) - 05:53, 24 March 2024
Actinides in the environment (section Protactinium)uranium-238 occur primordially, while trace quantities of actinium, protactinium, neptunium, and plutonium exist as a result of radioactive decay and...20 KB (2,297 words) - 03:07, 3 August 2024
threat. Notably, the chemical separation of an intermediate isotope — protactinium-233 — that decays into 233U is a cause for concern. ... The International...38 KB (3,801 words) - 20:28, 12 May 2024
thorium salt absorbs neutrons and slowly converts its thorium to protactinium-233. Protactinium-233 can be left in the blanket region where neutron flux is...116 KB (14,407 words) - 00:57, 23 July 2024- Isotopes of thorium (redirect from Thorium-212)half-life of 25.5 hours. When it decays, it emits a beta ray and forms protactinium-231. It has a decay energy of 0.39 MeV. It has a mass of 231.0363043 grams/mole...49 KB (4,873 words) - 18:50, 2 August 2024
- 1⁄91 can be obtained by using powers of 9. 91 is the atomic number of protactinium, an actinide. McCarthy 91 function, a recursive function in discrete...6 KB (647 words) - 14:52, 15 July 2024
- The primary decay products before 237 Np are isotopes of uranium and protactinium, and the primary products after are isotopes of plutonium. Neptunium...24 KB (2,408 words) - 18:54, 2 June 2024
- half-life of only 22 minutes. Thorium-233 beta decays into protactinium-233. Protactinium-233 has a half-life of 27 days and beta decays into uranium-233;...34 KB (3,113 words) - 20:05, 3 August 2024
uranium-238 (that has been present for billions of years on Earth). Lead-211, -212, and -214 are present in the decay chains of uranium-235, thorium-232, and...175 KB (19,087 words) - 13:40, 9 August 2024- Fr 194 88 Radium Ra 162 (8) 89 Actinium Ac 126 90 Thorium Th 108 91 Protactinium Pa 116 104 92 92 Uranium U 116.5 103 90 87 93 Neptunium Np 124 115 101...26 KB (1,723 words) - 11:41, 10 April 2024
in Cardiac Pacemaker Batteries". Indian Pacing Electrophysiol. 4 (4): 201–212. PMC 1502062. PMID 16943934. "Plutonium Powered Pacemaker (1974)". Oak Ridge...140 KB (15,045 words) - 05:11, 6 August 2024
Thorium phosphide Thorium arsenide Thorium antimonide (CsCl structure) Protactinium ? ? ? ? ? Uranium Uranium nitride Uranium monophosphide Uranium arsenide...49 KB (3,620 words) - 04:18, 28 May 2024
utilization of chromium". Resources, Conservation and Recycling. 38 (3): 185–212. doi:10.1016/S0921-3449(02)00151-9. Qiang, Taotao; Gao, Xin; Ren, Jing; Chen...108 KB (11,748 words) - 12:31, 8 August 2024- They include carbon isotope ratios, cadmium/calcium (Cd/Ca) ratios, protactinium/thorium isotopes (231Pa and 230Th), radiocarbon activity (δ14C), neodymium...16 KB (2,146 words) - 02:48, 16 July 2024
illumination engineering. Fairmont Press. pp. 112–114. ISBN 978-0-88173-212-2. OCLC 22184876. Archived from the original on 17 June 2016. Retrieved 8...70 KB (8,195 words) - 00:13, 11 August 2024
(1957). "Cesium—A new industrial metal". American Ceramic Bulletin. 36 (6): 212–213. "Cesium Atoms at Work". Time Service Department—U.S. Naval Observatory—Department...93 KB (10,057 words) - 02:41, 3 August 2024- Commission, pp. 13–14 Google Books Greenwood, pp. 765, 771, 775 Bagnall, pp. 212–226 Zingaro, Ralph A. (2011). "Polonium: Organometallic Chemistry". Encyclopedia...77 KB (8,343 words) - 17:34, 5 August 2024
- anorganischen Chemie: achte voellig neu bearb. Aufl. System-Mr. 51: Protactinium, Erqaen- zungsband 1. Hedakteur: Karl-Christian Buschbeck. Bit 108 Figuren
- %Kp=17 53Ni 45 ms ( 7/2- ) %K+%β+=100, %Kp ~ 45 54Ni 0+ %K+%β+=100 55Ni 212.1 ms 7/2- %K+%β+=100 56Ni 6.077 d 0+ %K+%β+=100 57Ni 35.60 h 3/2- %K+%β+=100