Timeline for How come uranium's relative atomic mass is 238.03 when it only contains isotopes with a mass number of 238 or less?
Current License: CC BY-SA 3.0
10 events
| when toggle format | what | by | license | comment | |
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| May 29, 2015 at 19:43 | comment | added | user15489 | Yes, I am getting that point now | |
| May 29, 2015 at 19:11 | vote | accept | marktwo | ||
| May 29, 2015 at 14:16 | comment | added | user7951 | Any uranium sample that contains U-238 (including natural minerals) inevitably contains a very tiny amount of U-239 due to (n,γ) reactions. However, that has no measurable impact on the average atomic mass of uranium. | |
| May 29, 2015 at 2:49 | history | tweeted | twitter.com/#!/StackChemistry/status/604117292683780096 | ||
| May 29, 2015 at 0:47 | history | edited | Nicolau Saker Neto |
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| May 29, 2015 at 0:33 | comment | added | ron | @Santiago I'm not sure they would contribute. They all have half-lives less than an hour and are not part of natural abundance uranium. | |
| May 29, 2015 at 0:10 | comment | added | user15489 | (From my deleted answer) There also are isotopes of uranium with greater masses than 238 - though their contribution would be tiny. | |
| May 28, 2015 at 23:16 | answer | added | Nicolau Saker Neto | timeline score: 32 | |
| May 28, 2015 at 22:25 | review | First posts | |||
| May 28, 2015 at 22:44 | |||||
| May 28, 2015 at 22:21 | history | asked | marktwo | CC BY-SA 3.0 |