Periodic table

history of the periodic table

  • 330

    Aristotle

    Aristotle
    in 330BC Aristotle contributed with the 4 element- fire, earth, water and air theory
  • 400

    Democritus and Leucippus

    Democritus and Leucippus
    in 400BC the idea of a small particle, the atom was suggest by Democritus and Leucippus.
  • Antoine Lavoisier

    Antoine Lavoisier
    wrote a list of 33 elements and told metals and no-metals apart
  • Jakob Berzelius

    Jakob Berzelius
    Jakob Berzelius symbolized elements by using letters.
  • Johann Döbereiner

    Johann Döbereiner
    johann dobereiner was the developer of the groups containing 3 elements each the 'triads' known for their similar properties.
  • john newlands

    john newlands
    john newlands sorted the known elements into order of their atomic weights, he observed after.
  • Lothar Meyer

    Lothar Meyer
    lothar meyer makes a version of the periodic table containing 28 elements.
  • Dmitri Ivanovich Mendeleev

    Dmitri Ivanovich Mendeleev
    Dmitri Ivanovich Mendeleev was the cretaor of the first version of the periodic table. he predicted some unknown elements exsisted and their propeties.
  • William Ramsay

    William Ramsay
    William Ramsay was the discoverer of the noble gases.
  • Henry Moseley

    Henry Moseley
    henry moseley found out the atomic number for each of the elements and made changes to the periodic law.
  • glenn seaborg

    glenn seaborg
    Synthesised the elements after uranium in the periodic table.