HII

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

Translingual

Alternative forms

Etymology

H (“hydrogen”)+II (“2”)

Symbol

HII

  1. (inorganic 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)
  • H (“hydrogen”)
  • HI<t:neutral atomic 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<t:dihydrogen, molecular hydrogen>
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