Forestman said:Thanks malawi_glenn.
Iron does not give off any energy when it is created through nuclear fusion because it is the most stable element. Fusion reactions release energy when lighter elements fuse together to form heavier elements, but once iron is formed, there is no energy released in further fusion reactions.
Iron is created through nuclear fusion in the cores of stars. When a star runs out of hydrogen fuel, it begins to fuse heavier elements, such as helium and carbon, until it reaches iron. This process releases energy, which helps to sustain the star's energy production.
No, iron cannot give off energy through nuclear fusion. As mentioned earlier, iron is the most stable element, meaning that it requires energy input to undergo further fusion reactions. This is why stars cannot sustain their energy production once they reach the iron fusion stage.
While iron cannot release energy through nuclear fusion, it can release energy through nuclear fission. When a heavy nucleus, such as uranium, splits into smaller fragments, energy is released. This is how nuclear power plants generate electricity.
Once iron is formed in a star through nuclear fusion, it can no longer undergo fusion reactions. The star's core eventually becomes dominated by iron, causing the star to collapse under its own gravity. This collapse can lead to a supernova explosion, where the energy from the collapse is released, creating heavier elements and spreading them throughout the universe.