Ca

Calcium-42

Protons (Z)

20

Neutrons (N)

22

Mass number

42

Half-Life

Stable

Abundance

0.647%

Mass

41.959 u

Mass Excess

-38,547.29 keV

Spin

0+

Discovered

1934

Binding energy per nucleon

8,617 keV

Neutron separation energy

11,481 keV

Proton separation energy

10,277 keV

Decay Mode

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