About me - Joe Barrette

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Featured article by Joe Barrette

Sciences > Chemistry The characteristics of an atom

The atom is the most basic unit of matter, it is the building block of the world we live in. Every element has it's own unique type of atoms. The atoms are composed of a nucleus surrounded by dense clouds of orbitals containing electrons, which are negatively charged. Within the nucleus there are protons, which are positively charged, and neutrons, which are neutrally charged. The electrons are kept in place on their orbitals by electromagnetic forces. There were many theorized models of the atom. Some of the better known models were the Bohr model, and the plum-pudding model. Most of thes...

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