actinium

Summary

actinium is a chemical element^[1]. actinium draws 455 Wikipedia views per month (chemical_element category, ranking #99 of 144).^[2]

Key Facts

• actinium is credited with the discovery of André-Louis Debierne^[3].
• actinium's image is recorded as Actinium sample (31481701837).png^[4].
• actinium's instance of is recorded as chemical element^[5].
• actinium's instance of is recorded as radioactive element^[6].
• light beam is named after actinium^[7].
• actinium's GND ID is recorded as 4523163-1^[8].
• actinium's CAS Registry Number is recorded as 7440-34-8^[9].
• actinium's canonical SMILES is recorded as [Ac]^[10].
• actinium's InChI is recorded as InChI=1S/Ac^[11].
• actinium's InChIKey is recorded as QQINRWTZWGJFDB-UHFFFAOYSA-N^[12].
• actinium's Library of Congress authority ID is recorded as sh85000706^[13].
• actinium's element symbol is recorded as Ac^[14].
• actinium's Bibliothèque nationale de France ID is recorded as 121509422^[15].
• actinium's chemical formula is recorded as Ac^[16].
• actinium's part of is recorded as group 3^[17].
• actinium's part of is recorded as period 7^[18].
• actinium's Commons category is recorded as Actinium^[19].
• actinium's MeSH descriptor ID is recorded as D000186^[20].
• actinium's Unicode character is recorded as 錒^[21].
• actinium's BNCF Thesaurus ID is recorded as 67637^[22].
• actinium's time of discovery or invention is recorded as +1899-00-00T00:00:00Z^[23].
• actinium's Freebase ID is recorded as /m/027sjs4^[24].
• actinium's UNII is recorded as NIK1K0956U^[25].
• actinium's ChemSpider ID is recorded as 22404^[26].
• actinium's PubChem CID is recorded as 23965^[27].

Body

Works and Contributions

actinium is credited with the discovery of André-Louis Debierne^[3]. Things named for actinium include protactinium^[28], a chemical element^[29] and actinide^[30], a chemical series^[31].

Why It Matters

actinium draws 455 Wikipedia views per month (chemical_element category, ranking #99 of 144).^[2] actinium has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.^[32] actinium is known by 19 alternative names across languages and contexts.^[33]

Entities named for actinium include protactinium^[28], a chemical element^[29] and actinide^[30], a chemical series^[31].