Isotopes:
Fr-200 Fr-201 Fr-202 Fr-203 Fr-204 Fr-205 Fr-206 Fr-207 Fr-208 Fr-209 Fr-210 Fr-211 Fr-212 Fr-213 Fr-214 Fr-215 Fr-216 Fr-217 Fr-218 Fr-219 Fr-220 Fr-221 Fr-222 Fr-223 Fr-224 Fr-225 Fr-226 Fr-227 Fr-228 Fr-229 Fr-230 Fr-231 Fr-232
For information on elements, we recommend
.