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

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