Periodic Table/Helium/⁴He

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⁴He

Helium-4

Stable isotope

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

2

Neutrons (N)

2

Mass Number (A)

4

Atomic Mass

4.002603AMU

Spin / Parity

0+

Binding E/A

6.818keV

Natural Abundance

9999.9800%

Half-life

Stable

Other Isotopes of Helium

3 4 5 6 7 8 9 10

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