boron group

English

Noun

boron group (plural boron groups)

  1. (chemistry) a vertical series of elements in the periodic table that have three valence electrons; boron is a metalloid, while aluminium, gallium, indium and thallium are metals

Usage notes
  • Equal to Group 3A (old style), group 13 (new style)
This article is issued from Wiktionary. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.