Assertion: radon | /r/CapableOf | break down into solid radioactive elements
Facets:
Source sentences:
text: Radon breaks down into solid radioactive elements called radon progeny (such as polonium-218, polonium-214, and lead-214).
text: Radon breaks down into solid radioactive elements called radon progeny (such as polonium-218, polonium-214, and lead-214).
text: Radon breaks down into solid radioactive elements called radon progeny (such as polonium-218, polonium-214, and lead-214).