C

Carbon-12

Protons (Z)

6

Neutrons (N)

6

Mass number

12

Half-Life

Stable

Abundance

98.94%

Mass

12.0 u

Mass Excess

0.0 keV

Spin

0+

Discovered

1919

Binding energy per nucleon

7,680 keV

Neutron separation energy

18,721 keV

Proton separation energy

15,957 keV

Decay Mode

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