Periodic Table/Sodium/²⁰Na

← 19Na21Na →

²⁰Na

Sodium-20

Radioactive· Half-life: 448 ms

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

11

Neutrons (N)

9

Mass Number (A)

20

Atomic Mass

20.007354AMU

Spin / Parity

2+

Binding E/A

7.018keV

Natural Abundance

Trace / None

Half-life

448 ms

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

β⁺

100.0%

β⁺α

25.0%

Decay Chain

²⁰NaSodium448 ms

β⁺100.0%

β⁺α¹⁶O25.0%

²⁰NeNeonSTABLE

2-step decay chain → stable · Primary path shown · branching ratios indicated

Other Isotopes of Sodium

17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39

← Back to SodiumData: IAEA NDS · ENSDF