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.