HII

Etymology
+

Symbol

 * 1)  ionized hydrogen; an atomic hydrogen ion needing 1 electron to become neutral; a free hydrogen nucleus; a

Synonyms

 * H+
 * H1+

Hyponyms

 * D+
 * D1+
 * T+
 * T1+
 * p proton

Related terms

 * HI neutral atomic hydrogen
 * H hydrogen