Multiple choice

Who discovered radioactive material?

  1. Marie Osmond

  2. Marie Etta

  3. Marie Curie

  4. Marie Antoinette

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

Marie Curie was a pioneer in the study of radioactivity, a term she coined. She discovered the elements polonium and radium and won Nobel Prizes in both physics and chemistry for her work.