Rn



Symbol, Chemistry.
1.
radon.
1.
registered nurse.
2.
British. Royal Navy.
Chemical symbol
1.
radon
abbreviation
1.
(in Canada) Registered Nurse
2.
Royal Navy
symbol
3.
Niger (international car registration)

Rn
The symbol for the element radon.

RN or R.N.
abbr.
registered nurse
Rn
The symbol for radon.
radon
(rā’dŏn)
Symbol Rn
A colorless, odorless, radioactive element in the noble gas group. It is produced by the radioactive decay of radium and occurs in minute amounts in soil, rocks, and the air near the ground. Radon is used as a source of radiation for the treatment of cancer and other diseases. Its most stable isotope is Rn 222 with a half-life of 3.82 days. Atomic number 86; melting point -71°C; boiling point -61.8°C; specific gravity (solid) 4. See Periodic Table.
rn
Kirundi
Rn
radon
RN
1.
Niger (international vehicle ID)
2.
registered nurse
3.
Royal Navy

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