E

Einsteinium

Es Elements
AllChemicals — The Online Chemical Glossary | https://allchemicals.info/chemical/einsteinium
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Quick Reference
Formula / NotationEs
Molecular Weight252
CategoryElements

What is Einsteinium?

Einsteinium is a synthetic radioactive actinide named after Albert Einstein. It was first identified in the debris of the first hydrogen bomb test (Ivy Mike) in 1952. Only nanogram quantities are typically produced.

Formula & Notation

Es

Properties & Characteristics

Appearance: silvery metal (predicted). Melting point: 860 °C. Density: ~8.84 g/cm³ (estimated).

Uses & Applications

No practical applications. Used solely in nuclear physics and actinide chemistry research.

Safety Information

Highly radioactive. Available only in trace amounts. Handled in hot cells with full radiation protection.

Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.

Key Facts

Term Einsteinium
Formula Es
Molecular Weight 252
Category Elements
Index All "E" terms

Frequently Asked Questions

Einsteinium is a synthetic radioactive actinide named after Albert Einstein. It was first identified in the debris of the first hydrogen bomb test (Ivy Mike) in 1952. Only nanogram quantities are typically produced.

More "E" Terms

1-Ethyl-3-(3-dimethylaminopropyl)carbodiimide C8H18ClN3 2-Ethoxyethanol C4H10O2 Effective Collisions Effective Collisions E ≥ Ea (activation energy required) Effective Molality m_eff = i × m (van't Hoff factor) Effective Nuclear Charge Z_eff = Z − σ (Slater's rules) Efflorescence Hydrated salt losing water in air: M·nH₂O(s) → M·(n-x)H₂O(s) + xH₂O(g) Electrical Conductivity κ = 1/ρ; Λm = κ/c Electrochemical Cell Galvanic cell: ΔG = −nFE_cell; Electrolytic cell: ΔG = +nFE_applied Electrochemical Series Arranged by E° (standard reduction potential); SHE: E° = 0.00 V Electrochemistry E° cell = E° cathode − E° anode | ΔG° = −nFE° Electrochemistry
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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.

AllChemicals.info — The Online Chemical Glossary | https://allchemicals.info/chemical/einsteinium

For educational purposes only. Verify all information before use.