rado kuadratür formülü ne demek?

Atom numarası 86, atom ağırlığı 222 olan, radyum tuzunun su ile işlenmesinden, hidrojen ve oksijenle karışım durumunda elde edilen, boru yardımıyla sıvı hava içinden geçirilerek karışımdan ayrılan radyoaktif element (simgesi Rn).
Bk. ışımetkin uçun
Simgesi Rn, atom numarası 86, atom kütlesi 222g, yarı ömrü 51,5 saniye olan, hastalık tedavisinde radyasyon kaynağı olarak kullanılan, renksiz ve kokusuz, inert bir gaz..
Atom numarası 86, atom ağırlığı 222 olan doğal radyoaktif element (Rn).
Radioactive gas found in some homes that in sufficient concentrations can cause health problems.
Radioactive gas found in some buildings that insufficient concentrations can cause health problems.
Cancer-causing radioactive gas found in many communities' ground water.
An odorless, colorless, tasteless inert gas formed by the natural breakdown, or radioactive decay, of the radium that occurs in trace amounts in soils and rocks.
Colorless, naturally occurring, radioactive, inert gaseous element formed by the radioactive decay of radium atoms in soil or rocks.
Radon gas results from the natural breakdown of radium in soil, rock and groundwater In some areas, this gas, which carries a risk of lung cancer, may enter buildings and homes through sub-ground rooms where it decays into products called radon progeny which easily attach themselves to dust particles and are inhaled.