標題: Dummies Overview To Hydrogen. [打印本頁] 作者: ScotRhein5 時間: 昨天 12:04 標題: Dummies Overview To Hydrogen. Amongst atomic forms, it creates numerous unstable ionized species like a proton (H+), a hydride ion (H −), and A level h2 Chemistry syllabus 2025 molecular ion (H2+).