Chemistry has had numerous discoveries that have transformed the way we understand matter and its interactions. The discovery of the periodic table by Dmitri Mendeleev provided a systematic way to organize chemical elements. The understanding of atomic structure by scientists like J.J. Thomson and Ernest Rutherford paved the way for modern chemistry and physics.
Other significant discoveries include Marie Curie’s work on radioactivity, which opened new frontiers in medicine and energy, and the synthesis of penicillin by Alexander Fleming, which revolutionized medicine. These discoveries and many more continue to shape the fields of chemistry, biology, and medicine today.