Si

Silicon-28

Protons (Z)

14

Neutrons (N)

14

Mass number

28

Half-Life

Stable

Abundance

92.2545%

Mass

27.977 u

Mass Excess

-21,492.797 keV

Spin

0+

Discovered

1920

Binding energy per nucleon

8,448 keV

Neutron separation energy

17,180 keV

Proton separation energy

11,585 keV

Decay Mode

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