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People also ask, where did the lightest elements come from?

During the formation of the universe some 14 billion years ago in the so-called 'Big Bang', only the lightest elements were formed – hydrogen and helium along with trace amounts of lithium and beryllium.

Beside above, how are light elements formed? Through Nuclear Fusion, the light elements- Hydrogen (H), Helium (He), and small amounts of lithium (Li) and beryllium (Be) were formed. The isotopes produced during the big bang nucleosynthesis were H-1, H-2, H-3, H-4, L-7. In supernova, neutron capture reaction takes place, leading to formation of heavy elements.

Secondly, what are the lightest elements?

The lightest chemical elements are hydrogen and helium, both created by Big Bang nucleosynthesis during the first 20 minutes of the universe in a ratio of around 3:1 by mass (or 12:1 by number of atoms), along with tiny traces of the next two elements, lithium and beryllium.

How are the heaviest elements created?

The formation of elements heavier than iron and nickel requires the input of energy. Supernova explosions result when the cores of massive stars have exhausted their fuel supplies and burned everything into iron and nickel. The nuclei with mass heavier than nickel are thought to be formed during these explosions.