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Periodic table
›
calcium
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Ca-44
Calcium-44 (Ca-44)
Identity
Protons
20
Neutrons
24
Mass number
44
Mass
43.96 ± 0.35 u
Mass excess
-41.469 MeV
Spin
0+
Stability
stable
Natural occurrence
2.086 %
of calcium
All isotopes of calcium