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Carbon, mainly. Two helium nuclei make beryllium-8, which normally decays practically instantaneously back into the helium nuclei, but if a third helium nucleus hits it first it will make the stable carbon-12. More helium can then be added to make oxygen, neon, magnesium, silicon, sulfur, argon, calcium, titanium, chromium, iron, and finally nickel before the process becomes endergonic.
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Nuclear reactions such as fusion and fission convert?
Nuclear reactions convert very small amounts of matter into significant amounts of energy.
Does nuclear fusion convert oxygen to hydrogen?
No. Nuclear fusion will convert hydrogen to helium and, at higher temperatures, oxygen into silicon, phosphorus, and sulfur.
Why does the sun continuously burn?
It derives its energy from nuclear fusion reactions that transform, in its nucleus, hydrogen into helium.
Why can't oxygen be changed into helium?
Oxygen has 8 protons, helium has 2 protons. To convert oxygen to helium, 6 protons has to be lost by nuclear disintegration which is not possible.
What fuel burns in a main sequence star?
Hydrogen "burns" as it were, in "nuclear fusion" reactions to give helium and release energy.
What does nuclear fusion convert hydrogen into?
Nuclear reactions in the cores of stars convert hydrogen to helium
In the core of extremely hot red Giants nuclear reactions convert helium to?
Helium will be converted to metals, which is the name astronomers give to elements heavier than helium.
Nuclear reactions such as fusion and fission convert?
Nuclear reactions convert very small amounts of matter into significant amounts of energy.
What will be the key to colonizing the moon?
Using helium in nuclear reactions.
What gas is exchanged into helium in a stars nuclear reactions?
Hydrogen
By what process do you convert hydrogen to helium?
nuclear fusion!!
Nuclear reaction in the sun's interior convert?
Nuclear fusion converts hydrogen to helium
Which kind of nuclear reactions is the source of the sun's energy?
Nuclear fussion of Hydrogen to give helium, positron and energy
Does nuclear fusion convert oxygen to hydrogen?
No. Nuclear fusion will convert hydrogen to helium and, at higher temperatures, oxygen into silicon, phosphorus, and sulfur.
Why are nuclear reactions in the sun called fusion reactions?
Because it is the joining together (fusing) of hydrogen nuclei to form helium
What elements are produced in the sun?
From hydrogen, isotopes of helium are formed through nuclear reactions.
What element is the end product of the nuclear reactions taking place in the Sun's core?
Helium
