Isotopes of Beryllium (Be)

Symbol Mass Number Relative Atomic Mass Isotopic Composition
5Be 5 5.04079(429)#
6Be 6 6.019726(6)
7Be 7 7.01692983(11)
8Be 8 8.00530510(4)
9Be 9 9.0121822(4) 1.0000
10Be 10 10.0135338(4)
11Be 11 11.021658(7)
12Be 12 12.026921(16)
13Be 13 13.035690(80)
14Be 14 14.04289(14)
15Be 15 15.05346(54)#
16Be 16 16.06192(54)#

Legend

Mass Number
Relative Atomic Mass
Isotopic Composition
Standard Atomic Weight
Be: 9.0121831(5)

Isotopic Composition