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Periodic table
›
neon
›
Ne-20
Neon-20 (Ne-20)
Identity
Protons
10
Neutrons
10
Mass number
20
Mass
19.9924 ± 0.0016 u
Mass excess
-7.042 MeV
Spin
0+
Stability
stable
Natural occurrence
90.48 %
of neon
All isotopes of neon