protactinium
element with symbol Pa and atomic number of 91
Press Enter · cited answer in seconds
0 sources
protactinium
Summary
protactinium is a chemical element[1]. protactinium draws 20 Wikipedia views per month (chemical_element category, ranking #95 of 144).[2]
Key Facts
- protactinium is credited with the discovery of Kazimierz Fajans[3].
- protactinium is credited with the discovery of Otto Hahn[4].
- protactinium is credited with the discovery of Lise Meitner[5].
- protactinium's instance of is recorded as chemical element[6].
- actinium is named after protactinium[7].
- protactinium's canonical SMILES is recorded as [Pa][8].
- protactinium's element symbol is recorded as Pa[9].
- protactinium's chemical formula is recorded as Pa[10].
- protactinium is a type of actinide[11].
- protactinium is a type of heavy metal[12].
- protactinium is a type of f-block[13].
- protactinium is part of period 7[14].
- protactinium is part of actinide[15].
- protactinium's Commons category is recorded as Protactinium[16].
- protactinium's Unicode character is recorded as 鏷[17].
- protactinium's crystal system is recorded as tetragonal crystal system[18].
- protactinium's time of discovery or invention is recorded as 1917[19].
- protactinium's point group is recorded as ditetragonal-dipyramidal[20].
- protactinium's space group is recorded as space group I4/mmm[21].
- protactinium's IPA transcription is recorded as ˌproʊtækˈtɪniəm[22].
- protactinium's topic's main category is recorded as Category:Protactinium[23].
- protactinium's Commons gallery is recorded as Protactinium[24].
- protactinium's atomic number is recorded as {'amount': '+91'}[25].
- protactinium's electronegativity is recorded as {'amount': '+2'}[26].
- protactinium's oxidation state is recorded as {'amount': '+2'}[27].
Body
Definition and Type
protactinium's instance of is recorded as chemical element[6]. Recorded subclass of include actinide[11], heavy metal[12], and f-block[13].
Origins
actinium is named after protactinium[7].
Use and Application
Part of include period 7[14], a period[28] and actinide[15], a chemical series[29].
Why It Matters
protactinium draws 20 Wikipedia views per month (chemical_element category, ranking #95 of 144).[2] protactinium has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.[30] protactinium is known by 53 alternative names across languages and contexts.[31]