Inorganic Chemistry Prelims

A visual representation of the behavior described by the periodic law.

• Periodic Table

• Period

• Group

• Triads

Year of discovery of the periodic table

• 1986

• 1896

• 1869

• 1886

Made a table of atomic weights and introduced letters to symbolize elements.

• Antoine Lavoisier

• Johann Wolfgang Dobereiner

• John Newlands

• Jons Jakob Berzelius

Made an extensive list containing 33 elements; made a distinction between metals and non-metals.

• Antoine Lavoisier

• Jons Jakob Berzelius

• Johann Wolfgang Dobereiner

• Henry Moseley

Introduced triads.

• Johann Wolfgang Dobereiner

• Jons Jakob Berzelius

• Antoine Lavoisier

• John Newlands

The average atomic weights of the 1^st and 3^rd number of this gave the atomic weight of the 2^nd number.

• Triple

• Triads

• Triathlon

• Tri and Tri until u die

Law of octaves.

• Antoine Lavoisier

• Jons Jakob Berzelius

• John Newlands

• Dmitri Mendeleev

Formulated the first periodic law.

• Dmitri Mendeleev

• John Newlands

• Johann Wolfgang Dobereiner

• Jons Jakob Berzelius

Horizontal row of elements in the periodic table.

• Period

• Group

Vertical column of elements in the periodic table.

• Period

• Group