Metals are a group of elements that have similar characteristics to each other, regarding their chemical composition and physical properties. They can be found throughout nature. The mastery of techniques for the use…

Matter, when it is made up of a set of chemically identical atoms or molecules, is called a pure substance or chemical species. However, atoms of the same element can be different, with…

Mathematical induction is a method of mathematical proof used to prove the truth of an infinite number of propositions. The simplest and most common form of mathematical induction proves that a statement holds…

Materials are the set of elements that are needed for specific tasks or activities. Normally these tasks tend to be construction works or manufacturing of objects. A characteristic case of the notion of…

In biology, bivalvia (from Latin bi, doubled , and valvia double-leaf door ) formerly Pelecypoda and Lamellibranchia , refers to the class of the phylum mollusca that includes aquatic animals popularly called bivalves….

Enzymes are proteins that catalyze chemical reactions that take place in living beings. Characteristics Enzymes accelerate the speed of reactions, which contributes to metabolism. Without enzymes, many reactions would be extremely slow. During…

Carboxylic acids are organic compounds that have the carbonyl functional group, that is, a carbon that forms a double bond with another carbon and a single bond with an OH group. The term…

Biogeochemical cycles are processes that occur in nature to ensure the recycling of chemical elements in the environment. It is these cycles that allow elements to interact with the environment and with living…