Word.ws English Dictionary

neon-21

neon-21 noun: a rare stable isotope of neon, 2110Ne, having ten protons and eleven neutrons; it amounts to less than 0.3% of the element in nature.

Noun

neon-21 (uncountable)

  1. A rare stable isotope of neon, 2110Ne, having ten protons and eleven neutrons; it amounts to less than 0.3% of the element in nature

Questions about neon-21

What does neon-21 mean?
Neon-21 means a rare stable isotope of neon, 2110Ne, having ten protons and eleven neutrons; it amounts to less than 0.3% of the element in nature.
What part of speech is neon-21?
Neon-21 is a noun.

Words near neon-21 in the dictionary

  1. neon signs
  2. neon skimmer
  3. neon tetra
  4. neon tetras
  5. neon-20
  6. neon-21
  7. neon-22
  8. neonacy
  9. neonatal
  10. neonatal abstinence syndrome
  11. neonatal milk

Source and license

Adapted from Wiktionary: neon-21 (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “neon-21.” Word.ws, https://word.ws/neon-21. Based on Wiktionary, CC BY-SA 4.0.