Atom facts

  • 370

    Aristotle

    Denial of the existence of atoms
  • 400

    Demcritus

    Atoms are solid, homogeneous, indestructible and indivisible
  • Antonie Lacosier

    experiment being turing HgO into Hg+O.
  • Joseph Proust

    defined the law of definite proportions
  • John Dalton

    All atoms of a given element are identical, having the same size mass and chemical properties. atoms of a specific element are different from those of any other element.
  • Amadeo Avagdro

    equal volumes of gases at the same temperature and pressure contain equal numbers of molecules
  • John Walker

    invented the friction match
  • Edwin Budding

    invented the lawn mower
  • William Crookes

    invented the Cathode Ray
  • Rotary Kiln

    Rotary Kiln is invented by Frederick Ransome
  • Tomas Edison

    Thomas Edison invented the first working Phonograph
  • JJ thomson

    Identified the first subatomic particle-the electron
  • Henri Becquerel

    Discovered the X-RAY
  • Max Planck

    Matter can gain or lose energy only in small specific amounts called quanta
  • Madame Curie

    Nobel prize for research in radioactivity
  • Albert Einstein

    mass (m) and Kinetic energy (E) are equal, since the Speed of light(c2) is constant.
  • Robert Millikan

    determined the charge of an electron
  • Ernest Rutherford

    concluded that there was a tiny dense region which he called the nucleus
  • Henery Moseley

    discovered that atoms of each element contain a unique positive charge in their nuclei
  • Tank

    tank was invented by ernest Swinton
  • James Chadwick

    showed that the nucleus also contained another subatomic particle a neutral particle called the neutron
  • Niels Bohr 1922

    Developed an explanation of atomic structure that underlies regularities of the periodic table of elements
  • Louis DeBroglie

    Discovered that electrons had a dual nature-similar to both particles and waves
  • Werner Heisenberg

    Described atoms by means of formula connected to the frequencies of spectral lines
  • Erwin Schrodinger

    Viewed electrons as continuous clouds and introduced wave mechanics as a mathematical model of the atom
  • FM

    FM radio is patented by inventor Edwin H. Armstrong
  • V-2

    V-2 rocket worlds longest ballistic missile Developed in Nazi germany during world war 2
  • AMerica

    America successfully developed the atomic bomb
  • Japan

    invented pocket calculator
  • Magnavox odyssey

    First video game for TV