An element

Discovery Science: Matter – Atoms: the Building Blocks of Nature

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Earth Science: Matter – Atoms: the Building Blocks of Nature The first step in the development of modern chemistry was the recognition that atoms existed. Today it is known that every element consists of a specific kind of atom. At the start of the 19th century, John Dalton. a science teacher from Manchester, England, promoted … Read more

Discovery Science: Chemistry – Inorganic chemistry – From Matter into Elements

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Chemistry – Inorganic chemistry – Matter The ancient Greek philosophers believed that all matter consisted of four elements: fire, water, air, and earth. It was not until modern times that researchers succeeded in identifying the building blocks of matter. Through this they were able to give order to the various materials in the world and … Read more