As you may have noticed, above you will find words for "The most abundant of the two stable isotopes of carbon, ¹²₆C, having six protons and six neutrons; it is the standard for atomic weight and is used to define the mole.". Hover the mouse over the word you'd like to know more about to view its definition. Click to find a better fitting word. Finally, thanks to ChatGPT, the overall results have been greatly improved.