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Periodic table
›
krypton
›
Kr-78
Krypton-78 (Kr-78)
Identity
Protons
36
Neutrons
42
Mass number
78
Mass
77.92 ± 0.33 u
Mass excess
-74.178 MeV
Spin
0+
Stability
stable
Natural occurrence
0.355 %
of krypton
All isotopes of krypton