Hydrogen is the simplest element; we believe that seconds after the Big Bang, all the mass in the universe was hydrogen. But because the heat and pressure were so intense, some of the hydrogen immediately fused into helium, or into lithium. (It takes four hydrogen nuclei to fuse to make helium, and six hydrogen nuclei will fuse into lithium.)
This is all guesswork, of course; we weren't there, and have only the haziest understanding of what the conditions of the Big Bang might have been like - or if there was something else entirely happening that we currently can't image.
Hydrogen and helium are formed in Sun.
Hydrogen was initially formed in the 'Big Bang' which initiated this universe. Helium is formed by the fusion of hydrogen atoms, inside stars. This reaction is what causes stars to shine, and give off heat.
The gas formed when hydrogen atoms fuse is helium. Stars do this.
Fnxbm
No. The hydrogen in the universe was formed during the Big Bang. Stars consume hydrogen, fusing it into helium.
Everything except Hydrogen & Helium (and part of the Helium is also formed within stars).
Helium is formed in the core of the star (like the sun) by the nuclear fusion of hydrogen isotopes.
The formula of the hydride formed by helium is HeH+. It's a cationic species known as the helium hydride ion, which is formed when helium reacts with hydrogen ions in very low-temperature environments such as interstellar space.
When a hydrogen bomb explodes, the primary element formed is helium. This occurs through the process of nuclear fusion, where hydrogen isotopes combine to form helium atoms, releasing a large amount of energy in the process.
When hydrogen and helium atoms first formed in the universe, the temperature ranged from about 3000 to 4000 Kelvin. This temperature allowed protons and electrons to combine to form neutral hydrogen atoms, a process known as recombination. Subsequently, the universe became transparent to radiation for the first time.
Cristalized Ammonia
No, it is formed by fusion of hydrogen and helium molecules.