Télécharger le livre :  The discovery of the periodic table of the chemical elements
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150 years ago, in 1869, D. I. Mendeleev and L. Meyer independently published their ideas on the arrangement of the chemical elements in a periodic system. The United Nations and UNESCO therefore declared 2019 the "International Year of the Periodic Table". The question...

Editeur : Springer
Parution : 2022-07-12
Collection : essentials
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4,42
Télécharger le livre :  The Avogadro Constant
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In May 2019, the new SI definitions for amps, kilograms, kelvins and moles came into force. For the mole, the SI unit of the amount of substance, the Avogadro constant was redefined and its value was set as the defining constant. But: How did it come about that a...

Editeur : Springer
Parution : 2022-01-22
Collection : essentials
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15,81
Télécharger le livre :  Introduction to Stereochemistry
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Conformal, diastereomers, rotamers, tautomers, anomers: The multitude of terms used in stereochemistry quickly makes this subfield of chemistry confusing. In addition, there are different nomenclatures and different forms of representation (Fischer projection, Haworth...

Editeur : Springer
Parution : 2021-06-07
Collection : essentials
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26,36