Marie Curie did not invent the x-ray. Roengten did.
Roengten discovered X-ray on November 8, 1895. He took an X-ray of his wife's hand a week later.
Coolidge developed the x-ray tube.
Marie Curie improved the x-ray tube and developed an X-ray unit that was used in WWI, a mobile unit.
Chemical elements are not invented; they are discovered or prepared.Polonium was discovered (not invented) by Marie Curie and Pierre Curie in 1898.
Polonium was discovered (not invented) by Marie Curie and Pierre Curie in 1898.
i don t know................
Marie Curie
She invented radio
It was discovered by Marie Curie
Radium was discovered (not invented) in 1898 by Marie Curie, Pierre Curie and Gustave Bemont.
Polonium was discovered (not invented) in France by Marie Curie and Pierre Curie in 1898.
Polonium was discovered (not invented) in France by Marie Curie and Pierre Curie in 1898.
Polonium was discovered by Marie Curie and Pierre Curie in 1898.Radium was discovered by Marie Curie, Pierre Curie and G. Bemont also in 1898.The word "invented" is not adequate.
No one 'invented' radium; it is an element on the periodic table. Radium was discovered, however, by Marie Skłodowska-Curie, Pierre Curie and Gustave Bémont in 1898.
Marie and Pierre curie discovered the elments polonium and radium which they won a nobel prize for discovery