H
Hassium
Hs
Elements
AllChemicals — The Online Chemical Glossary | https://allchemicals.info/chemical/hassium
Quick Reference
| Formula / Notation | Hs |
|---|---|
| Molecular Weight | 269 |
| Category | Elements |
What is Hassium?
Hassium is a synthetic radioactive transactinide element named after Hesse, Germany. Expected to behave similarly to osmium. First synthesised in 1984 at the GSI Helmholtz Centre.
Formula & Notation
Hs
Properties & Characteristics
Appearance: unknown. Density: ~40.7 g/cm³ (estimated) — possibly the densest element.
Uses & Applications
No practical applications. Research only.
Safety Information
Highly radioactive. Research hazard only.
Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.
Key Facts
Frequently Asked Questions
Hassium is a synthetic radioactive transactinide element named after Hesse, Germany. Expected to behave similarly to osmium. First synthesised in 1984 at the GSI Helmholtz Centre.
No practical applications. Research only.
Highly radioactive. Research hazard only.
The formula or notation for Hassium is: Hs
More "H" Terms
1-Hexanol
C6H14O
2-Hydroxyethyl methacrylate
C6H10O3
4-Hydroxybenzaldehyde
C7H6O2
Haber Process
N₂ + 3H₂ ⇌ 2NH₃ | ΔH = −92 kJ/mol
Hafnium
Hf
Half Cell
Half Life
Half-Cell
E = E° − (RT/nF)lnQ
Half-Life
A(t) = A₀e^(−λt); t½ = ln2/λ
Half-Reaction
Halide
X⁻ (e.g., F⁻, Cl⁻, Br⁻, I⁻)
Halogen
F₂, Cl₂, Br₂, I₂, At; Group 17; ns²np⁵ valence configuration
View all "H" terms →
Editorial standards: Chemical data is sourced from peer-reviewed literature,
CAS Registry, NIST WebBook, and PubChem. Safety information reflects guidance from OSHA, ECHA,
and IAEA. For educational purposes only — always consult official SDS documentation and qualified
professionals before handling chemicals.