Over the last 2500 to 3500 years.
Alchemists
China
joseph priestley
William Harvey
No element defies the laws of chemistry. All elements follow the fundamental principles of chemistry, such as the periodic table trends, reactivity, and bonding behavior.
Alchemy WAS - but as new rules were discovered it either changed into chemistry OR it became "unscientific".
Johannes Kepler discovered the 3 laws of planetary motion.
Wallace Carothers was doing pure chemistry when he discovered nylon. He was researching new synthetic fibers and his discovery of nylon revolutionized the textile industry.
The International Union of Pure and Applied Chemistry (IUPAC) was founded in 1919 by chemists from industry and academia. It was established to advance the worldwide understanding and application of chemistry and to standardize the naming and notation of chemical compounds.
She discovered radium & polonium alongside her husband.
It was discovered in 1884 by Svante August Arrhenius, a Swedish scientist. He won the Noble Prize in chemistry in 1903.
Isaac newton discovered or formulated the laws of gravity. The laws exist and are a part of nature they were there before he discovered them, but yes it was he who wrote them down.