atomic number 9

This is not a dictionary! - Search for "atomic number 9" in The Danish Dictionary

• February 26. 2016 from wordnet.princeton.edu

  atomic number 9 — noun — english

  a nonmetallic univalent element belonging to the halogens; usually a yellow irritating toxic flammable gas; a powerful oxidizing agent; recovered from fluorite or cryolite or fluorapatite