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Physics, 05.03.2021 01:00 glocurlsprinces

Radon-220 is a radioactive gas. It escapes from underground rocks and causes a large part of the natural background radiation in the United Kingdom. It has an atomic number of 86. How many neutrons are there in its nucleus?

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Radon-220 is a radioactive gas. It escapes from underground rocks and causes a large part of the nat...

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