Chemistry Scientists Flashcards
Who was Democritus?
Democritus was an Ancient Greek philosopher who first hypothesized the existence of atoms.
Who was John Dalton?
Dalton published a four-part atomic theory.
Who was J.J. Thomson?
Thomson discovered the electron using the cathode-ray tube experiment.
Who was Ernest Rutherford?
Rutherford discovered the nucleus of the atom using the gold foil experiment.
Who was James Chadwick?
Chadwick discovered the neutron.
Who was Dmitri Mendeleev?
Mendeleev was a Russian chemist credited with inventing an early periodic table.
Who was Glenn Seaborg?
Seaborg was credited with inventing the periodic table most widely used today.
Who was Wilhelm Rontgen?
Rontgen noticed the glowing rock and was the first person credited for taking the first X-rays of the human body.
Who was Henri Becquerel?
Becquerel experimented with uranium and discovered radioactivity.
Who were Pierre and Marie Curie?
The Curies continued the study of radioactivity and discovered several new radioactive elements.
Who was Antione Lavoisier?
Lavoisier performed experiments to support the Law of Conservation of Matter.
Who was Isaac Newton?
Newton did light experiments with prisms and called small light particles corpuscles.
Who was Christiaan Huygens?
Huygens believed that light diffracts and is a wave.
Who was William Hershel?
Hershel measured the temperatures of light and discovered infrared light.
Who was Johann Ritter?
Ritter discovered ultraviolet rays through shining light on silver chloride which reacted and began decomposing the silver chloride. The ultraviolet rays decomposed it the fastest.
