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Periodic table
›
sodium
›
Na-23
Sodium-23 (Na-23)
Identity
Protons
11
Neutrons
12
Mass number
23
Mass
22.9898 ± 0.0019 u
Mass excess
-9.530 MeV
Spin
3/2+*
Stability
stable
Natural occurrence
100.00 %
of sodium
All isotopes of sodium