Radium was discovered in 1898 by Marie Skłodowska-Curie, Pierre Curie, and Gustave Bémont.
marrie curie is reserching a new elements one day madam curie working on his lab and light is gone the madam curie found a new elements which is briting in night this elements is called radium and polonium
Polonium and Radium .
Marie Curie isolated pure radium on January 12, 1902.
She discovered radioactivity and the elements Radium and Polonium!
Yes, they worked together.
Polish (by birth) & French (by marriage)
marrie curie is reserching a new elements one day madam curie working on his lab and light is gone the madam curie found a new elements which is briting in night this elements is called radium and polonium
Polonium and Radium .
Radium. it's simple
Madam curie of coursr
radium
Marie Curie
Madame Curie, maybe? Radium.
Pierre Curie, Marie Curie and Gustave Bemont discovered radium in France, 1898.
Marie Curie isolated pure radium on January 12, 1902.
pitchblend
radium