Talk:Exotic helium isotopes
Talk:Exotic helium isotopes Why ought this page not be integrated into the main helium article? - Centrx 16:50, 10 August 2005 ...
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Isotopes of helium
Isotopes of helium Helium (He) Standard atomic mass: 4.002602(2) u The isotopes of helium include two naturally occurring isotopes and ...
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Helium
Helium ← → ↑↓ periodic table General Name, Symbol, Number helium, He, 2 Chemical series noble gases Group ... CAS registry number 7440-59-7 Notable isotopes Main article: Isotopes of helium iso NA half-life DM DE ( ...
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Talk:Helium
Talk:Helium Article changed over to new WikiProject Elements ... was rewritten from Los Alamos National Laboratory - Helium. Additional text was taken directly from, from ... t the vapor pressure be applicable to helium if it can exist as a liquid ... 2004 (UTC) What about the effects of helium on the human voice? Sure, it's ... value, but it is nonetheless a property helium is noted for. I'd add ...
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List of isotopes
List of isotopes An isotope is a form of a ... neutrons. Elements 1-15 Hydrogen Main article Isotopes of hydrogen Hydrogen-1 Hydrogen-2 Hydrogen ... 4 Hydrogen-5 Hydrogen-6 Hydrogen-7 Helium Main articles Isotopes of helium, Exotic helium isotopes Helium-2 Helium- ...
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Hydrogen   (translated from German)
Hydrogen Characteristics Hydrogen - Helium H Left 1s 1 1 1 H ... e - ? H) Elektronegativitaet 2,1 (Pauling scale) Isotopes Isotope NH t 1/2 ZM CPU ... forms a clear, colorless liquid. Differently than Helium none steps with simple hydrogen Suprafluiditaet up ... of quantum mechanics much theoretical knowledge requires. Isotopes Three naturally occurring exist Isotopes the hydrogen. It is the only ...
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Atom
... For other uses, see Atom (disambiguation). Atom Helium atom modelShowing nucleus with two protons (blue ... common are alpha decay (emission of a helium nucleus) and beta decay (emission of an ... 1100 mph or 1800 km/h). Elements, isotopes and ions Atoms are generally classified by ... different mass number. These are called the isotopes of an element. When writing the name ... through a process called radioactivity. Almost all isotopes of each element are radioactive; only ...
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Big Bang nucleosynthesis
... isotope deuterium (H-2 or D), the helium isotopes He-3 and He-4, and the ... theory itself, BBN will result in 25% helium-4; about 1% of deuterium; trace amounts ... neutrons and protons are less stable than helium nuclei, and the protons and neutrons have a strong tendency to form helium-4. However, forming helium-4 requires ...
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Atomic nucleus
... a single proton. The stable form of helium, the next lightest element, has two protons ... they need more neutrons to stay together. Isotopes The isotope of an atom is determined ... number of neutrons in the nucleus. Different isotopes of the same element have very similar ... of electrons that an atom has. Different isotopes in a sample of a particular chemical ... makes it oxygen). Many elements have multiple isotopes which are stable for weeks, years, ...
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Hydrogen
... CAS registry number 1333-74-0 Notable isotopes Main article: Isotopes of hydrogen iso NA half-life DM ... celestial bodies as hydrogen atoms combine into helium atoms. At high temperatures, hydrogen gas can ... the protons latch on to something. Although exotic on earth, one of the most common ... and para-hydrogen (this is different from isotopes, see below). In ortho-hydrogen the ...
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