Periodic Table/Krypton/⁸⁷Kr

← 86Kr88Kr →

⁸⁷Kr

Krypton-87

Radioactive· Half-life: 1.27 h

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

36

Neutrons (N)

51

Mass Number (A)

87

Atomic Mass

86.913355AMU

Spin / Parity

5/2+

Binding E/A

8.464keV

Natural Abundance

Trace / None

Half-life

1.27 h

Decay Modesoverview · half-life · α · β⁻ · β⁺

β⁻

100.0%

Decay Chain

⁸⁷KrKrypton1.27 h

β⁻100.0%

⁸⁷RbRubidium49.7 Gy

β⁻100.0%

⁸⁷SrStrontiumSTABLE

3-step decay chain → stable · Primary path shown

Other Isotopes of Krypton

67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101

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