Chemistry

10 Characteristics of the amides

The amides have a characteristic structure with a nitrogen atom attached to a carbonyl group (-C(=O)NH-) in its center. The amides are widely used in the industry and in organic chemistry due to their versatility and various applications.

5 Characteristics of nickel

5 Characteristics of nickel

Along with copper, it is one of the metals best known and used by humanity throughout its history. Nickel has five isotopes in nature, and it is the lightest ( 58 Ni) and also the most abundant (68%), and eighteen radioactive isotopes, of which 59 Ni is the one with the longest half-life (76,000 years). ). The half-life is the time required for half of a sample of radioactive nuclei to decay.

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