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Nuclear fusion
You are thinking of nuclear fusion, where in the stars hydrogen forms into helium with energy release
nuclear fusion
The sun produces its thermal energy through nuclear fusion. Gravity forces the stellar matter into a smaller and smaller sphere until the pressures and temperatures at the center of the stellar mass becomes so hot that the star's center supports sustained nuclear fusion reactions, usually combining Hydrogen into Helium. Larger stars go on to combine Helium into Carbon, Carbon into Nitrogen, Nitrogen into Oxygen, Oxygen into Fluorine, and so on. . In stellar nuclear fusion, the sum of the mass of the elements before the fusion reaction occurs is larger than the sum of the mass of the product elements. This means that some mass has been lost in the process. This "lost" matter has not actually been lost, but has been converted into electromagnetic energy. It is this fusion-driven matter-to-energy conversion process that causes the sun to produce energy.
It is called fusion. It is the process taking place on our sun, as two hydrogen atoms fuse together to form a helium atom and give off a small amount of energy while losing some mass.
Hydrogen.
Nuclear fusion: mainly of hydrogen into helium. To a lesser extent there is fusion of helium into larger elements - all the way to iron.
Fusion of smaller atoms to form larger atome is a nuclear change. Ex: 4 hydrogen atoms FUSE to form an atom of helium through a compeles set of nuclear reactions.
Fusion of smaller atoms to form larger atome is a nuclear change. Ex: 4 hydrogen atoms FUSE to form an atom of helium through a compeles set of nuclear reactions.
Nuclear fusion
A variety of different fusion reactions are possible. In our sun, which is classified as medium sized, it is fusion of hydrogen nuclei, ie protons, to form helium. In larger stars, especially red giants, larger nuclei react in fusion, so that larger and heavier nuclei get formed.
You are thinking of nuclear fusion, where in the stars hydrogen forms into helium with energy release
Inside stars, nuclear fusion combines smaller nuclei into larger nuclei, thus creating heavier elements
That the mass of a helium nucleus is larger than the mass of the hydrogen nucleus. Also, since the star uses this process to produce energy, that the helium atom has less energy than the original hydrogen atoms - and therefore also less mass.
That the mass of a helium nucleus is larger than the mass of the hydrogen nucleus. Also, since the star uses this process to produce energy, that the helium atom has less energy than the original hydrogen atoms - and therefore also less mass.
nuclear fusion
That the mass of a helium nucleus is larger than the mass of the hydrogen nucleus. Also, since the star uses this process to produce energy, that the helium atom has less energy than the original hydrogen atoms - and therefore also less mass.