Dutch edit

 
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Etymology edit

Compound of atoom (atom) +‎ nummer (number).

Pronunciation edit

  • IPA(key): /ɑˈtoːmnʏmər/
  • (file)
  • Hyphenation: atoom‧num‧mer

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 table

Synonyms edit