Assertion: polonium | /r/HasProperty | discovered
Facets:
value: because of its radioactivity
type: CAUSE
Source sentences:
text: Polonium was discovered in 1898 by Marie and Pierre Curie, when it was extracted from the uranium ore pitchblende and identified solely by its strong radioactivity: it was the first element to be so discovered.
text: Polonium was the first element to be discovered because of its radioactivity; it was discovered in pitchblende in 1898 by Marie CurieCurie
text: I read recently that when polonium was first discovered people would go to parties( scientific events were popular at the time) and get to hold a glowing chunk of polonium.
text: Polonium was the first element to be discovered because of its radioactivity; it was discovered in pitchblende in 1898 by Marie CurieCurie
text: Polonium was the first element to be discovered because of its radioactivity; it was discovered in pitchblende in 1898 by Marie Curie and named for her native country, Poland.
text: Why was Polonium discovered?
text: Polonium was the first element to be discovered because of its radioactivity; it was discovered in pitchblende in 1898 by Marie CurieCurie
text: Polonium was discovered in 1898 by Marie and Pierre Curie, when it was extracted from uranium ore and identified solely by its strong radioactivity: it was the first element to be so discovered.
text: Polonium was discovered by, the husband and wife team, Marie and Pierre Curie in 1898.
text: When the polonium was discovered, Marina Litvinenko was told it was not safe to stay at her home.