argon
Also known as Ar, element 18, 18Ar
Ar - Elemento chimico con numero atomico 18
AI overview
Argon is a chemical element and noble gas that makes up about 0.934% of Earth's atmosphere, making it the third most abundant gas in the air we breathe. It is notably more plentiful than other gases like carbon dioxide and water vapor, and is the most abundant noble gas found in Earth's crust.
AI-generated from the Wikipedia summary — may contain errors.
Chemical data
- Formula
- Ar
- Molecular weight
- 39.9 g/mol
- IUPAC name
- argon
- SMILES
- [Ar]
- InChIKey
- XKRFYHLGVUSROY-UHFFFAOYSA-N
- Polar surface area
- 0 Ų
- H-bond donors
- 0
- H-bond acceptors
- 0
- Formal charge
- 0
via PubChem
Research
21,127 papersArticle · Italiano
L'argon o argo (dal greco ἀργός -όν "argòs -òn", significato: pigro) è l'elemento chimico della tavola periodica che ha come simbolo Ar e come numero atomico 18. È un gas nobile del periodo 3 e costituisce circa lo 0,95% del volume dell'atmosfera terrestre.
Abstract from DBpedia / Wikipedia · CC BY-SA