Timeline for Why is the relative atomic mass of carbon not exactly 12?
Current License: CC BY-SA 3.0
3 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Dec 17, 2012 at 13:06 | vote | accept | hello all | ||
| Dec 16, 2012 at 23:15 | comment | added | Ben Norris | Yes, the mass of an element on the period table is the weighted average atomic mass over all naturally occurring isotopes. It is why some elements, like chlorine (35.45) have masses that are even less integer-like. | |
| Dec 16, 2012 at 14:41 | history | answered | PLD | CC BY-SA 3.0 |