Multiple choice general knowledge

What scientist discovered the radioactive element radium?

  1. Isaac Newton

  2. Albert Einstein

  3. Benjamin Franklin

  4. Marie Curie

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Marie Curie discovered radium in 1898 along with her husband Pierre Curie, building on her earlier discovery of polonium. She conducted pioneering research on radioactivity and became the first person to win Nobel Prizes in two different sciences (Physics and Chemistry). Newton discovered gravity, Einstein developed relativity, and Franklin studied electricity.