Jak wymówić "atomic number 86"

• "atomic number 86" wymawiana po Angielski.

Znaczenie i definicje "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

Synonimy:

• radon
• Rn
• atomic number 86