History of the Periodic Table

Events

Antoine Lavoisier

1778

Wrote the first extensive list of elements containing 33 elements & distinguished between metals and non-metals

John Dalton

1803

Described the relationship between the components in a mixture of gases.

John Newlands (octaves)

1824

Arranged the known elements in order of atomic weights & observed similarities between some elements. And developed the Law of Octaves.

Jakob Berzelius

1828

Developed a table of atomic weights & introduced letters to symbolize elements

John Dobereiner (triads)

1829

He developed the Law of Triads. Each triad was a group of three elements similar to each other.

Lothar Meyer (table)

1864

published The Modern Theory of Chemistry in which he published the use of atomic weights to group elements. In the work, he arranged 28 elements into 6 families that had similar chemical and physical traits

Demitri Mendeleev

1869

Published his periodic table, eventually becoming the “father of the periodic table.”

Lord Rayleigh

1894

Discovered argon, a new gaseous element that was chemically inert.

Ernest Rutherford

1911

Established that “the nuclear charge on a nucleus was proportional to the atomic weight of the element.”

Henry Mosely(table)

1913

Discovered the isotopes of elements

time line