Marie Curie was awarded the 1911 Nobel Prize in Chemistry for her work on Radioactivity. Read about
her research in the article.
Which of these were part of her work? (select all that apply)
A- discovering radioactivity
B- discovering the element radium
C- discovering the element uranium
D- discovering the element polonium
E- purifying uranium from its salts
F- isolating radium from its compounds
