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Cuadro de texto:                                               -  Meta state at 0.000 Mev                                            -   Half life: 63 s                                            -   Mode of decay: Alpha to Fr-218                                                                     º  Branch ratio: >=88.00 %                                                                     º  Decay energy: 7.137 MeV                                             -   Mode of decay: IT to Ac-222                                                                    º   Branch ratio: <=10.00 %                                            -   Mode of decay: EC to Ra-222                                                                    º  Branch ratio: >=0.70 %                                                                   º   Decay energy: 2.298 MeV                                            -   Possible parent nuclides:                                                 Alpha from Pa-226     Cuadro de texto:                                                   -  Atomic Mass: 222.0178289 ± 0.0000062 amu                                                -   Excess Mass: 16607.466 ± 5.818 keV                                                -   Binding Energy: 1705596.745 ± 5.826 keV                                                -   Beta Decay Energy: B- -582.444 ± 13.550 keV                                                 -  Spin: 1-                                                 -  Half life: 5.0 s                                                -   Mode of decay: Alpha to Fr-218                                                                          º  Branch ratio: 99.00 %                                                 -  Decay energy: 7.137 MeV                                                 -  Mode of decay: EC to Ra-222                                                                        º   Branch ratio: 1.00 %                                                                        º   Decay energy: 2.298 MeV