Wie man "atomic number 86" ausspricht

• "atomic number 86" ausgesprochen in Englisch.

Bedeutung und Definitionen von "atomic number 86"

Noun

a radioactive gaseous element formed by the disintegration of radium; the heaviest of the inert gasses; occurs naturally (especially in areas over granite) and is considered a hazard to health

Synonyme:

• radon
• Rn
• atomic number 86