Difference between revisions of "Helium"
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Helium consists of two isotopes. The most common isotope, Helium-4, has a nucleus of two protons and two neutrons, and two electrons. The less common isotope [[Helium3 | Helium-3]] has two protons and one neutron. | Helium consists of two isotopes. The most common isotope, Helium-4, has a nucleus of two protons and two neutrons, and two electrons. The less common isotope [[Helium3 | Helium-3]] has two protons and one neutron. | ||
| − | Helium is a component of the [[solar wind]], and hence is found (in parts per million level]] in | + | Helium is a component of the [[solar wind]], and hence is found (in parts per million level]] in [Lunar regolith]]. |
Revision as of 14:46, 6 February 2007
Helium is the second element in the periodic table. It is a noble gas.
Helium consists of two isotopes. The most common isotope, Helium-4, has a nucleus of two protons and two neutrons, and two electrons. The less common isotope Helium-3 has two protons and one neutron.
Helium is a component of the solar wind, and hence is found (in parts per million level]] in [Lunar regolith]].
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