Quiz Answer Key and Fun Facts
1. Radon exists in this form at standard temperature and pressure.
2. Every square mile of soil to a depth of 6 inches has about this amount of radon.
3. Of the following isotopes of radon, which has the longest half-life?
4. Radon belongs to this group of elements.
5. Radon was called 'radium emination' until _____, after which it has been called radon.
Source: Author
TonyTheDad
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rossian before going online.
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