Hvordan man udtaler "atomic number 86"

• "atomic number 86" udtalt på Engelsk.

Betydninger og definitioner af "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

Synonymer:

• radon
• Rn
• atomic number 86