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Chemical elements that have similar properties and behave in a similar way are divided into groups. In the periodic table, the columns represent these groups. The similarity of the elements is most pronounced in the main groups. «Alkali metals» is a term for such a main group. Alkali metal basics alkali metals is the designation […]

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Did you know that approximately one-fifth of all pharmaceutical drugs contain fluorine? This element is mostly found in some sort of alkyl fluoride, an example of a halogenoalkanes. This article is about halogenoalkanes in organic chemistry. we’ll define haloalkanes before looking at halogenoalkanes nomenclature. We’ll then learn how you classify halogenoalkanes like primary, secondary or […]

Have you ever read the words Nylon, Perlon or Dederon? These are fibers made of polyamide. A polyamide is a linear polymer with repeating amide groups along the main chain. The term polyamide is generally used for all synthetic, technically usable thermoplastics. Thus, the polyamides differ from proteins, which are also linear polymers with repeating […]

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After the end of the First World War, the Weimar Republic was internationally isolated. In the Treaty of Versailles, Germany was solely responsible for the First World War. The Weimar Republic was given no say. The republic could hardly pursue an active foreign policy because it had no international power. Part of the contract were […]

Earth is one of the eight planets in our solar system. It is the only known planet that has life. We have already found out a lot about our earth, but the structure of the earth and the processes in the earth’s interior have not yet been fully clarified. No way has yet been found […]

Fatty acids are among the lipids. If you have already read our article on lipids, you are already well informed on the subject. Fatty acids have their name because the structure of natural fats and also oils consists of the chemical combination of long-chain carboxylic acids. Fatty acids are easy to find because we eat […]

Indian wars are generally considered to be the armed conflicts between the North American natives and the US and Canadian citizens who have migrated from Europe to North America since the 17th century and established colonies there. Even if this declaration will only deal with the conflict between the United States and the indigenous people, […]