October will bring activity, energy and strength to Capricorns in 2017. By overcoming obstacles and solving difficult problems, you will be able to 100% realize your endeavors. From every difficult situation at work or on the personal front, try to extract m

The classification of inorganic substances and their nomenclature are based on the simplest and most constant characteristic over time - chemical composition, which shows the atoms of the elements that form a given substance in their numerical ratio. If a substance from at