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The INTERNET Database of Periodic Tables

There are thousands of periodic tables in web space, but this is the only comprehensive database of periodic tables & periodic system formulations. If you know of an interesting periodic table that is missing, please contact the database curator: Mark R. Leach Ph.D.

Use the drop menus below to search & select from the more than 1300 Period Tables in the database: 

  Text Search:       


Periodic Tables from the year 1879:

1879   Discovery of Scandium
1879   Discovery of Samarium
1879   Discovery of Holmium
1879   Discovery of Thulium


Year:  1879 PT id = 801, Type = element

Discovery of Scandium

Sc

Scandium, atomic number 21, has a mass of 44.956 au.

Scandium was first isolated in 1879 by F. Nilson.

Chronology of chemically the splitting of yttria (mixed oxides) into the pure rare-earth metals:

From: CRC Handbook on the Physics and Chemistry of Rare Earths, Chapter 248. Accommodation of the Rare Earths in the Periodic Table: A Historical Analysis
by Pieter Thyssen and Koen Binnemans (ISBN: 978-0-444-53590-0)

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Year:  1879 PT id = 842, Type = element

Discovery of Samarium

Sm

Samarium, atomic number 62, has a mass of 150.36 au.

Samarium was first isolated in 1879 by P.E.L. de Boisbaudran.

Chronology of chemically the splitting of ceria (mixed oxides) into the pure rare-earth metals:

From: CRC Handbook on the Physics and Chemistry of Rare Earths, Chapter 248. Accommodation of the Rare Earths in the Periodic Table: A Historical Analysis
by Pieter Thyssen and Koen Binnemans (ISBN: 978-0-444-53590-0)

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Year:  1879 PT id = 847, Type = element

Discovery of Holmium

Ho

Holmium, atomic number 67, has a mass of 164.93 au.

Holmium was first observed or predicted in 1878 by J.-L. Soret and first isolated in 1879 by T. Cleve.

Chronology of chemically the splitting of yttria (mixed oxides) into the pure rare-earth metals:

From: CRC Handbook on the Physics and Chemistry of Rare Earths, Chapter 248. Accommodation of the Rare Earths in the Periodic Table: A Historical Analysis
by Pieter Thyssen and Koen Binnemans (ISBN: 978-0-444-53590-0)

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Year:  1879 PT id = 849, Type = element

Discovery of Thulium

Tm

Thulium, atomic number 69, has a mass of 168.934 au.

Thulium was first isolated in 1879 by T. Cleve.

Chronology of chemically the splitting of yttria (mixed oxides) into the pure rare-earth metals:

From: CRC Handbook on the Physics and Chemistry of Rare Earths, Chapter 248. Accommodation of the Rare Earths in the Periodic Table: A Historical Analysis
by Pieter Thyssen and Koen Binnemans (ISBN: 978-0-444-53590-0)

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What is the Periodic Table Showing? Periodicity

© Mark R. Leach Ph.D. 1999 –


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