89 Ac 227
Actinium
actinide · Group 3 · Period 7
4 section(s) thin
Atomic properties
Atomic number
89
Z
Density
10.07 g/cm³
at STP
Melting point
1050 °C
at 1 atm
Boiling point
3200 °C
at 1 atm
Crystal structure
FCC
Electron config.
[Rn] 6d¹ 7s²
Oxidation states
+3
most common
Market data
No tradeable futures market for Ac on Yahoo / Stooq. Live market data is
not available; pricing in this page is based on contract reference figures from
the source documents.
Moles per kilogram
| Compound | Formula | MW (g/mol) | Moles/kg |
|---|---|---|---|
| Actinium-227 | 227Ac | 227.03 | 4.41 |
| Actinium-225 | 225Ac | 225.02 | 4.44 |
| Actinium(III) oxide | Ac₂O₃ | 502.0 | 1.99 |
| Actinium(III) chloride | AcCl₃ | 333.4 | 3.00 |
| Actinium(III) fluoride | AcF₃ | 284.0 | 3.52 |
References
No citations on this page yet. References will appear here once enrichment runs.
Explore on Amazon
Explore Actinium-related materials, books, and lab gear on Amazon. Selections are search-based; results refresh on Amazon.
Actinium samples
Display-grade specimens, ampoules, and reference samples.
View on Amazon →
Actinium books
Textbooks, monographs, and reference works.
View on Amazon →
Actinium posters
Periodic-table art and educational prints.
View on Amazon →
Lab equipment
Glassware, crucibles, and analysis tools.
View on Amazon →
Affiliate disclosure:As an Amazon Associate, nanos earns from qualifying purchases. Learn more.
Coverage notes
The following sections are thin or absent in the source document for this element. They will be filled by enrichment passes (NIST atomic, OSHA/NIOSH safety, USGS / IAI environmental).
- Missing section: Raw Material Sources
- Missing section: Energy Consumption
- Missing section: Commercial Forms
- Missing section: Suppliers by Country