Helium-7

Isotope

Isotope of:

Mass number:

  • 7

Mass:

Mass Uncertainty
  • 7.02802 u (1.16703E-17 µg )
  • 0.00002 u (2.989E-23 µg )
top ↑

Similar topics in Freebase

  • Helium-6

  • Helium-10

  • Helium-5

  • Helium-9

  • Helium-3

    Helium-3 (He-3) is a light, non-radioactive isotope of helium with two protons and one neutron. It is rare on Earth, and is sought for use in nuclear fusion research. The abundance of helium-3 is thought to be greater on the Moon (embedded in the upper layer of regolith by the solar wind over...
  • Helium-8

  • Helium-4

    Helium-4 (42He or He) is a non-radioactive and light isotope of helium. It is by far the most abundant of the two naturally occurring isotopes of helium, making up about 99.99986% of the helium on earth. Its nucleus is the same as an alpha particle, consisting of two protons and two neutrons. The...

You can help improve this topic by adding more facts here

Edit this topic
Edit and Show details

Add or delete facts, download data in JSON or RDF formats, and explore topic metadata.

Freebase Logo
What is Freebase?

Freebase is a huge collection of facts, built by people like you. Freebase connects facts in ways other sites can't, giving you new ways to explore millions of subjects.
You can help improve it!

Freebase Attribution

Freebase data is free for use under the CC-BY license.

Learn more about Freebase licensing and attribution