What was the first element discovered by Marie and Pierre Curie?
- APolonium
- BFrancium
- CRadium
- DUranium
Solution & Step-by-step Explanation
Marie and Pierre Curie discovered Polonium in July 1898 while investigating the radioactivity of pitchblende. They named it after Marie Curie's native country, Poland. They discovered Radium later in December of the same year.