In the proton-proton chain of nuclear fusion within the Sun, which of the following takes place?

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    Four protons and two electrons combine through various steps to produce one helium-4 nucleus, two neutrons, and two neutrinos, plus energy in the form of gamma rays.
     Six protons and two electrons combine through various steps to produce one helium-4 nucleus, two protons, and two neutrinos, plus energy in the form of gamma rays.
     Two protons and two electrons combine through various steps to produce one helium-4 nucleus and two neutrinos, plus energy in the form of gamma rays.
     Six protons and two electrons combine through various steps to produce one helium-4 nucleus, two electrons, and two neutrinos, plus energy in the form of gamma rays.
     Three protons, one neutron, and two neutrinos combine to produce one helium-4 nucleus, one positron, and two more neutrinos, plus energy in the form of gamma rays.
asked Sep 20, 2012 in Astronomy by anonymous
    

1 Answer

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Six protons and two electrons combine through various steps to produce one helium-4 nucleus, two protons, and two neutrinos, plus energy in the form of gamma rays.
answered Sep 22, 2012 by SkyStar ~Expert~ (2,855 points)



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