Word.ws English Dictionary

Oddo-Harkins rule

Oddo-Harkins rule proper noun: a rule which states that elements that have an even number of protons in the nucleus are more common than those with an odd number.

Proper noun

Oddo-Harkins rule

  1. a rule which states that elements that have an even number of protons in the nucleus are more common than those with an odd number

Origin of Oddo-Harkins rule

First reported by Giuseppe Oddo in 1914 and William Draper Harkins in 1917.

Questions about Oddo-Harkins rule

What does Oddo-Harkins rule mean?
Oddo-Harkins rule means a rule which states that elements that have an even number of protons in the nucleus are more common than those with an odd number.
What part of speech is Oddo-Harkins rule?
Oddo-Harkins rule is a proper noun.

Words near Oddo-Harkins rule in the dictionary

  1. oddmen
  2. oddment
  3. oddments
  4. oddness
  5. oddnesses
  6. Oddo-Harkins rule
  7. odds
  8. odds and bods
  9. odds and ends
  10. odds and sods
  11. odds are

Source and license

Adapted from Wiktionary: Oddo-Harkins rule (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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