HII

See also: hii, H II, and H-II

Translingual

Alternative forms

Etymology

H (“hydrogen”)+II (“2”)

Symbol

HII

  1. (chemistry, spectroscopy) ionized hydrogen; an atomic hydrogen ion needing 1 electron to become neutral; a free hydrogen nucleus; a hydron

Synonyms
  • H+
  • H1+

Hyponyms
  • D+
  • D1+
  • T+
  • T1+
  • p (proton)
  • HI (neutral atomic hydrogen)
  • H (hydrogen)

Descendants
  • English: HII emission line, HII emission line, H-II emission line, H II emission line
  • English: HII region, HII region, H-II region, H II region

See also
  • H-2 (deuterium)
  • H2 (dihydrogen, molecular hydrogen)
This article is issued from Wiktionary. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.