What year did Marie curie discover the two elements radium and polonium?

Answer 1

Marie Curie and Pierre Curie found after studying residues of uranium ores that these residues are more radioactive than uranium; they attributed this radioactivity to unknown elements. They isolated these elements and named these elements polonium and radium.

Answer 2

Studying residues of uranium ores Marie Curie and Pierre Curie found that these residues are more radioactive than uranium; they attributed this radioactivity to unknown elements. They isolated these elements and named these elements polonium and radium.

Answer 3

Studying residues of uranium ores Marie Curie and Pierre Curie found that these residues are more radioactive than uranium; they attributed this radioactivity to unknown elements. They isolated these elements and named these elements polonium and radium.

Answer 4

Studying residues of uranium ores Marie Curie and Pierre Curie found that these residues are more radioactive than uranium; they attributed this radioactivity to unknown elements. They isolated these elements and named these elements polonium and radium.

Answer 5

Marie Curie and Pierre Curie discovered polonium and radium.

Answer 6

Marie and Pierre Curie discovered radium and polonium in 1898.

The term invented is not correct in this case.

Answer 7

Yes, Marie Curie and Pierre Curie discovered polonium.

Answer 8

Polonium was discovered by Marie Curie and Pierre Curie in 1898.
Radium was discovered by Marie Curie, Pierre Curie and G. Bemont also in 1898.