Doc Introduction
Francisco 400 B.C. Democritus’ atomic theory posited that all matter is made up small indestructible units he called atoms.
Alex 1704 Isaac Newton theorized a mechanical universe with small, solid masses in motion.
Jez 1803 John Dalton proposed that elements consisted of atoms that were identical and had the same mass and that compounds were atoms from different elements combined together.
Omari 1832 Michael Faraday developed the two laws of electrochemistry.
Avery 1869 Dmitri Mendeleev created the periodic table.
Shey 1873 James Clerk Maxwell proposed the theory of electromagnetism and made the connection between light and electromagnetic waves.
Damarion 1879 Sir William Crookes’ experiments with cathode-ray tubes led him to confirm the work of earlier scientists by definitively demonstrating that cathode-rays have a negative charge.
Trocari 1886 E. Goldstein discovered canal rays, which have a positive charge equal to an electron.
Maria 1895 Wilhelm Roentgen discovered x-rays.
Kayden 1896 Henri Becquerel discovered radiation by studying the effects of x-rays on photographic film.
Natasha 1897 J.J. Thomson determined the charge to mass ratio of electrons.
Leah 1898 Rutherford discovered alpha, beta, and gamma rays in radiation.
Angie 1898 Marie Sklodowska Curie discovered radium and polonium and coined the term radioactivity after studying the decay process of uranium and thorium.
Yaviel 1900 Max Planck proposed the idea of quantization to explain how a hot, glowing object emitted light.
Jayden O. 1903 Hantaro Nagaoka proposed an atomic model called the Saturnian Model to describe the structure of an atom.
Kim 1906 Hans Geiger invented a device that could detect alpha particles.
J'Vier 1914 H.G.J. Moseley discovered that the number of protons in an element determines its atomic number.
Analisse 1922 Niels Bohr proposed an atomic structure theory that stated the outer orbit of an atom could hold more electrons than the inner orbit.
Aneshly 1923 Louis de Broglie proposed that electrons have a wave/particle duality.
Shabiel 1930 Paul Dirac proposed the existence of anti-particles.
Quincy 1932 James Chadwick discovered neutrons, particles whose mass was close to that of a proton.
Jayden M. 1938 Lise Meitner, Hahn, Strassman discovered nuclear fission.
Daquan 1941 Glenn Seaborg discovered eight transuranium elements.
Jorge 1942 Enrico Fermi created the first man-made nuclear reactor.