Helium-4
| Use attributes for filter ! | |
| Isotope mass | 4. 002602 u |
|---|---|
| Binding energy | 28300. 7 keV |
| Neutrons | 2 |
| Protons | 2 |
| Spin | 0 |
| Symbol | 4He |
| Date of Reg. | |
| Date of Upd. | |
| ID | 2479150 |
About Helium-4
Helium-4 is a stable isotope of the element helium. It is by far the more abundant of the two naturally occurring isotopes of helium, making up about 99. 99986% of the helium on Earth. Its nucleus is identical to an alpha particle, and consists of two protons and two neutrons.