Timeline for Why does cobalt have a higher atomic mass than nickel?
Current License: CC BY-SA 3.0
9 events
| when toggle format | what | by | license | comment | |
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| Sep 10, 2016 at 0:40 | vote | accept | hkk | ||
| Sep 8, 2016 at 14:33 | answer | added | DavePhD | timeline score: 7 | |
| Aug 24, 2016 at 13:31 | comment | added | Mithoron | en.wikipedia.org/wiki/Isotopes_of_nickel en.wikipedia.org/wiki/Isotopes_of_cobalt | |
| Aug 24, 2016 at 13:25 | comment | added | Mithoron | Heavier nuclei need more neutrons than protons to be stable, (proportion rises to 126/82 for Pb) but I'm no nuclear physicist and even they have problems with prediction of stability of heavy nuclei. | |
| Aug 24, 2016 at 0:21 | history | edited | hkk | CC BY-SA 3.0 |
mention shell method
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| Aug 22, 2016 at 21:54 | history | tweeted | twitter.com/StackChemistry/status/767842284197015557 | ||
| Aug 22, 2016 at 13:37 | history | edited | Jan | CC BY-SA 3.0 |
element names are lowercase in English.
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| Aug 22, 2016 at 13:31 | review | First posts | |||
| Aug 22, 2016 at 13:37 | |||||
| Aug 22, 2016 at 13:28 | history | asked | hkk | CC BY-SA 3.0 |