Uranium
The main use of nuclear energy is to produce electricity. Nuclear energy is also used in the field of medicine and military purposes.
This question is, of course, incomplete. It seems to refer to nuclear fusion, in the Sun probably. In that case the answer is "helium".
The combination of the center of atoms to produce a heavier element is called nuclear fusion.
There is no element that serves as an unlimited energy source. Nuclear fusion has potential as a nearly limitless energy source, but it is not yet practical for widespread use. Other renewable sources like solar, wind, and geothermal energy have the potential for continuous generation but are still limited by factors like weather and location.
The two main forces in a star are gravity and nuclear fusion. Gravity pulls matter inward, compressing it and creating the high pressure and temperature needed for nuclear fusion to occur. Nuclear fusion releases energy as light and heat, which counteracts the force of gravity trying to collapse the star.
It depends which type it is. It can be Uranium or Plutonium
The two types of nuclear energy are nuclear fission nuclear fusion. In nuclear fission, the nuclei of the atoms are split. In nuclear fusion, as the name suggests, the nuclei of the atoms are joined together.
Mechanical energy, Electromagnetic energy, Heat energy, Chemical energy, and Nuclear energy.
kinetic energy, gravitational energy, electromagnetic energy, heat energy, nuclear energy.
nuclear power plants
The main character in creating the nuclear bomb was Robert Oppenheimer.
Two main applications of nuclear energy are:As ionizing radiation coming from radioactive decay of radioactive isotopes. There are too many applications of this ionizing radiation in industry, medical diagnosis and treatment, and agriculture.As energy of nuclear fission. This energy is used either as:thermal energy in saline water desalination, ormechanical energy in nuclear powered ships and submarines orelectrical energy in nuclear power plants.