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  1. Hydrogen poses a number of hazards to human safety, from potential ... an asphyxant in its pure, oxygen-free form. In addition, liquid hydrogen is a cryogen and presents dangers (such as frostbite) ...

    8 Answers · Science & Mathematics · 09/02/2008

  2. You see that hydrogen is by far the most abundant element in the Sun, followed by helium... that most stars are composed of around 70 percent hydrogen and 28 percent helium by mass, very similar to what we see in the Sun. The...

    4 Answers · Science & Mathematics · 12/03/2010

  3. The hydrogen atom is the simplest atomic structure of the table of...pressure required to hold the components of the Hydrogen atom are much greater then the gravitational ...

    8 Answers · Science & Mathematics · 25/02/2007

  4. Fusing hydrogen - like what happens at our sun's core, and in the core of thermonuclear...helium atom. Go to your periodic table, and look at the atomic weight of Hydrogen & Helium - you'll see that Helium weighs just a little...

    3 Answers · Science & Mathematics · 17/02/2008

  5. The fusion of hydrogen into helium releases huge amounts of energy and is the main energy... or smaller. Overcoming electrostatic repulsion between two hydrogen nuclei requires a large amount of energy, and this reaction takes...

    3 Answers · Science & Mathematics · 10/06/2008

  6. Light hydrogen is not formed in the interior of stars, but it makes...5 times the Sun's mass, two nuclei of light, or normal hydrogen fuse together to form nuclei of deuterium, or heavy hydrogen. Deuterium...

    3 Answers · Science & Mathematics · 28/10/2008

  7. Hydrogen and Helium formed about 3-20 minutes after the big bang during... formed inside supernovae, it might be possible that some leftover hydrogen becomes helium and it's probable that ionised hydrogen atoms...

    3 Answers · Science & Mathematics · 16/02/2011

  8. The Sun fuses hydrogen to helium in an atomic reaction similar to a hydrogen bomb, this reaction gives off...fuse hydrogen in its core, scientists estimate that there is enough hydrogen fuel to continue this process for another 4 billion years or so, then the fun ...

    7 Answers · Science & Mathematics · 18/12/2007

  9. Metallic hydrogen exists, there have been a few lab experiments to try and create...quot; It may be possible to produce substantial quantities of metallic hydrogen for practical purposes.[citation needed] The existence has...

    3 Answers · Science & Mathematics · 11/07/2011

  10. Hydrogen bombs do not work by any chain reaction. They work by compressing...so strongly that nuclear fusion takes place. Only a tiny fraction of the hydrogen in the bomb actually fuses, and the energy released then causes...

    8 Answers · Science & Mathematics · 10/06/2011

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