MARIE CURIE DISCOVERED TWO NEW ELEMENTS FOR THE PERIODIC TABLE, RADI...
Câu 38: Marie Curie discovered two new elements for the periodic table, radium and _______.
A. radon
B. solonium
C. polonium
D. curium
Câu 38: Marie Curie discovered two new elements for the periodic table, radium and _______.
A. radon
B. solonium
C. polonium
D. curium