Science, asked by sabin456khanal, 4 months ago

how is hilium made up​

Answers

Answered by shrutikeshri09
2

Explanation:

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. One mode of decay for uranium is to emit an alpha-particle.

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