Gilbert Newton Lewis He was one of the most important American scientists of the 20th century. His work produced a structural revolution in chemical s...
The Aufbau principle It consists of a useful guide to theoretically predict the electronic configuration of an element. The word aufbau refers to the ...
The effective nuclear charge (Zef) is the attractive force exerted by the nucleus on any of the electrons after being reduced by the effects of shield...
The specific volume it is an intensive property characteristic of each element or material. It is defined mathematically as the relationship between t...
The benzaldehyde is an organic compound whose chemical formula is C6H5CHO. At room temperature it is a colorless liquid that may turn yellowish on sto...
The laboratory propipette It is an instrument that allows the measurement of liquids in routine procedures within the laboratory. It is an essential e...
The nephelometry consists of measuring the radiation caused by particles (in solution or in suspension), thus measuring the power of the scattered rad...
The metallic minerals they are those that are formed by a varied amount of minerals that contain valuable metals for the human being. While some metal...
A pi link (π) is a type of covalent bond characterized by preventing the free rotation movement of atoms and by originating between a pair of pure-typ...
