Beanium or signically Bn
[tex]\\ \sf\ast\Rrightarrow Atomic\:Mass=137.327u[/tex]
[tex]\\ \sf\ast\Rrightarrow 137.33u[/tex]
[tex]\\ \sf\ast\Rrightarrow 137.3u[/tex]
[tex]\\ \sf\ast\Rrightarrow 137u[/tex]
