Choose the Incorrect Statement Concerning Radon Gas

question 39

Multiple Choice

Choose the incorrect statement concerning radon gas.

• A) Radon gas is found at home.
• B) Radon is a noble gas.
• C) Radon accounts for 3/4 of the Earth's background radioactivity.
• D) Radon-222 is the most hazardous form of radon due to a half-life of 3.8 days.

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