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Meaning of Oddo-Harkins rule | Babel Free

Noun CEFR B2

Definitions

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

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.

See also

Odds odds and bods odds and ends odds and sods odds match oddsboard

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