thumb|290px|Nuclear binding energy per nucleon of common isotopes; iron-56 labelled at the curve's crest. The rarer isotopes nickel-62 and iron-58, which both have higher binding energies, are not shown.
via Wikipedia infobox
thumb|290px|Nuclear binding energy per nucleon of common isotopes; iron-56 labelled at the curve's crest. The rarer isotopes nickel-62 and iron-58, which both have higher binding energies, are not shown.
Iron-56 (56Fe) is one of four stable isotopes of iron, and the most common, comprising about 91.754% of the iron on Earth.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).