elements | H (1) | Li (3) | Na (11) | K (19) | Rb (37) | Cs (55) | Fr (87) |
nuclear mass | 1.0079400E+00 | 6.9400000E+00 | 2.2989769E+01 | 3.9098300E+01 | 8.5467800E+01 | 1.3290545E+02 | 2.2300000E+02 |
τν (J/s) | 5.2244804E+15 | 1.3709225E+16 | 2.4951389E+16 | 3.2539177E+16 | 4.8110186E+16 | 5.9992770E+16 | 7.7701981E+16 |
atomic radius curvature | 25.314 | 66.427 | 120.901 | 157.669 | 233.110 | 290.693 | 376.498 |
Covalent radius | 25.00 | 128.00 | 166.00 | 200.00 | 201.00 | 245.00 | 260.00 |
Atomic radius CSD | 25.00 | 145.00 | 180.00 | 220.00 | 235.00 | 260.00 | - |