moleculefinder

Americium

Am243.06138 g/mol Calculated

The synthetic element inside a smoke detector: a speck of it ionises the air, and smoke interrupting that current sets off the alarm. Element 95.

Sources and notes
  • The introductionfrom sourceMoleculeFinder curated
  • Formula and weightcomputedPubChem
  • 2D drawingcomputedPubChem structure, drawn by RDKit

Where you encounter it

A pure element or an engineered material, rather than an ingredient in a product.

Sources and notes
  • The line abovefrom sourceMoleculeFinder curatedFrom the group the molecule belongs to.

Properties and sources

Calculated by PubChem

Molecular formula
Am
Molecular weight
243.06138 g/mol

Groups it belongs to

Category
Element & material
Family
Chemical elements
SMILES[Am]

PubChem CID 23966 · Wikidata Q1872 · InChIKey LXQXZNRPTYVCNG-UHFFFAOYSA-N · Data refreshed

How MoleculeFinder sources and labels its data

Questions
What is Americium?
The synthetic element inside a smoke detector: a speck of it ionises the air, and smoke interrupting that current sets off the alarm. Element 95.
Sources and notes
  • Calculated valuescomputedPubChemComputed from the structure, so no laboratory conditions apply; complexity is PubChem's own structural score.
  • Data refreshedfrom sourceMoleculeFinder2026-11-09