Question

origin of helium nuclei is?​

Answer 1

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$\implies$The helium is formed during the natural radioactive decay of elements such as uranium and thorium. These heavy elements were formed before the earth but they are not stable and very slowly, they decay. ... This alpha-particle is actually just the heart of a helium atom - its nucleus.

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Answer 2

Answer:

The helium is formed during the natural radioactive decay of elements such as uranium and thorium. These heavy elements were formed before the earth but they are not stable and very slowly, they decay. ... This alpha-particle is actually just the heart of a helium atom its nucleus.