Periodic Table/Hydrogen/⁵H

← 4H6H →

⁵H

Hydrogen-5

Radioactive

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

1

Neutrons (N)

4

Mass Number (A)

5

Atomic Mass

5.035311AMU

Spin / Parity

1/2+

Binding E/A

1.234keV

Natural Abundance

Trace / None

Half-life

Unknown

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

2n

100.0%

Decay Chain

2n100.0%

³HHydrogen12.3 y

β⁻100.0%

³HeHeliumSTABLE

3-step decay chain → stable · Primary path shown

Other Isotopes of Hydrogen

← Back to HydrogenData: IAEA NDS · ENSDF