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
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
Facts At Your Fingertips: Matter and materials – Elements A chemical that is made up of atoms of just one type is known as an element. Although all atoms are made of the same basic parts—protons, neutrons, and electrons—not all atoms are the same. It is the number of these parts that gives the atom—and … Read more
Facts At Your Fingertips: Matter and materials – Atoms Atoms are the tiny building blocks that make up everything in the universe, including ourselves. They are far too small to be seen, even with the most powerful microscopes. Billions of them could fit on the dot of this “i.” Yet atoms are themselves made up … Read more
