The sym

bol

Z (p)

N (n)

Isotope mass, (A.E.M.) The excitation energy

Half life

[2] (T1/2)

Decay modes

Of the nucleus

Spin and parity

5Be

4

1

5.04079 (429)

p

(1/2+)#

7Be

4

3

7.01692983 (11)

53.22 (6) сут

ЕС

3/2−

10Be

4

6

10.0135338 (4)

1.51 × 106 year [6.8 (17) eV

β−

0+