known isotopes of alkali metals

alkali metals | unstable isotopes

lithium | Li-8 (839.9 ms) | Li-9 (178.3 ms) | Li-11 (8.59 ms) | Li-12 (10 ns) | Li-10 (2 zs) | Li-5 (0.3 zs) | Li-4 (0.0757 zs) sodium | Na-22 (2.6027 yr) | Na-24 (14.997 h) | Na-25 (59.1 s) | Na-21 (22.49 s) | Na-26 (1.077 s) | Na-20 (447.9 ms) | Na-27 (301 ms) | Na-30 (48.4 ms) | Na-29 (44.9 ms) | Na-28 (30.5 ms) | ... potassium | K-40 (1.248 Gyr) | K-43 (22.3 h) | K-42 (12.321 h) | K-44 (22.13 min) | K-45 (17.81 min) | K-38 (7.637 min) | K-46 (105 s) | K-47 (17.5 s) | K-48 (6.8 s) | K-49 (1.26 s) | ... rubidium | Rb-87 (48.1 Gyr) | Rb-83 (86.2 days) | Rb-84 (33.1 days) | Rb-86 (18.642 days) | Rb-81 (4.57 h) | Rb-79 (22.9 min) | Rb-88 (17.773 min) | Rb-78 (17.66 min) | Rb-89 (15.15 min) | Rb-77 (226 s) | ... cesium | Cs-135 (2.3 Myr) | Cs-137 (30.08 yr) | Cs-134 (2.0652 yr) | Cs-136 (13.04 days) | Cs-131 (9.689 days) | Cs-132 (6.479 days) | Cs-129 (32.06 h) | Cs-127 (6.25 h) | Cs-125 (46.7 min) | Cs-138 (33.42 min) | ... francium | Fr-223 (22 min) | Fr-212 (20 min) | Fr-222 (14.2 min) | Fr-221 (4.83 min) | Fr-225 (3.95 min) | Fr-224 (200 s) | Fr-210 (191 s) | Fr-211 (186 s) | Fr-227 (148 s) | Fr-208 (59.1 s) | ...