Alfred Werner (1866–1919) was a Swiss chemist who made significant contributions to the field of coordination chemistry, particularly in the understanding of the structure and bonding in coordination compounds. He was born on 12 December 1866, in Mulhouse, Alsace (then part of France).
Werner is best known for his coordination theory, which he developed in the early 20th century. At the time, there was a lack of understanding about the structures of coordination compounds, which are formed by the coordination of metal ions with surrounding ligands. Werner's groundbreaking work laid the foundation for our modern understanding of coordination chemistry.
One of Werner's key contributions was the introduction of the concept of coordination number, which refers to the number of ligands surrounding a metal ion in a coordination complex. He proposed that these complexes have a three-dimensional spatial arrangement, and he classified them based on their coordination numbers.
In 1913, Alfred Werner was awarded the Nobel Prize in Chemistry for his work on the theory of coordination compounds. This recognition marked a significant step forward in the development of inorganic chemistry.
Unfortunately, Werner's life was cut short, as he died at the age of 52 in 1919. Despite his relatively short career, his ideas and theories had a profound and lasting impact on the field of chemistry, particularly in the study of coordination compounds.
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