SYNTHETIC ISOTOPES  


In laboratory the following radon isotopes have been synthesized:

Rn-204 with a half-life of 3.0 minutes;
Rn-206 (6.2 minutes);
Rn-207 (11.0 minutes);
Rn-208 (23.0 minutes);
Rn-209 (30.0 minutes);
Rn-210 (2.7 hours);
Rn-211 (16.0 hours);
Rn-212 (23.0 minutes);
Rn-215 (0.000001 seconds);
Rn-216 (0.0001 seconds);
Rn-217 (0.001 seconds);
Rn-218 (0.019 seconds);
Rn-221 (25.0 minutes).


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