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Há 3 dias · A Swedish chemist and disciple of Dalton, Jöns Jacob Berzelius embarked on a systematic program to try to make accurate and precise quantitative measurements and to ensure the purity of chemicals. Along with Lavoisier, Boyle, and Dalton, Berzelius is known as the father of modern chemistry.
Há 2 dias · Jöns Jacob Berzelius discovered the silicon element in 1823. In 1787, Antoine Lavoisier suspected that silica might be an oxide of a fundamental chemical element, but the chemical affinity of silicon for oxygen is high enough that he had no means to reduce the oxide and isolate the element.
Há 5 dias · In 1820, Berzelius was able to summarize all of the scientific achievements for that year in the 163 pages of his "Jahresbericht."
Há 5 dias · Thorium was discovered in 1828 by the Norwegian amateur mineralogist Morten Thrane Esmark and identified by the Swedish chemist Jöns Jacob Berzelius, who named it after Thor, the Norse god of thunder. Its first applications were developed in the late 19th century.
Há 2 dias · (Fuvest-SP) Leia o texto a seguir, escrito por Jacob Berzelius, em 1828: Existem razões para supor que, nos animais e nas plantas, ocorrem milhares de processos catalíticos nos líquidos do corpo e nos tecidos.
Há 3 dias · Das Elementsymbol „Te“ wurde 1814 von Jöns Jakob Berzelius (1779–1848) vorgeschlagen und wird bis heute verwendet. Die erste Strukturaufklärung von kristallinem Tellur mit Hilfe der Röntgenbeugung an Pulverproben erfolgte 1924 in Manchester.
Há 2 dias · Summary. Defending Jacob draws inspiration from real cases, weaving a gripping tale around a 14-year-old accused of murder. The novel's author, William Landay, delves into human behavior and explores the concept of a "Murder Gene" in the story.
