atoomnummer

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Dutch[edit]

Dutch Wikipedia has an article on:

Wikipedia nl

Etymology[edit]

atoom (atom) +‎ nummer (number)

Pronunciation[edit]

Noun[edit]

atoomnummer n (plural atoomnummers, diminutive atoomnummertje n)

  1. An atomic number, an element's number of protons and hence position in the periodic system

Synonyms[edit]