Polonium was discovered (not invented) by Marie Curie and Pierre Curie in 1898.
Polonium is an element and was not invented but discovered.
Nobody invented polonium; it is a naturally occuring element. It was discovered by Marie and Pierre Curie.
Polonium was discovered (not invented) in France by Marie Curie and Pierre Curie in 1898.
Polonium was discovered (not invented) in France by Marie Curie and Pierre Curie in 1898.
- Chemical elements are discovered or prepared, not invented.- Polonium and radium have useful applications.
She invented polonium.
Chemical elements are not invented; they are discovered or prepared.Polonium was discovered (not invented) by Marie Curie and Pierre Curie in 1898.
Polonium was discovered - not invented !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.
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.The word "invented" is not adequate.
Polonium is odorless.
Polonium has no odor.
Polonium has not a taste.