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A B C D E F G H I J K L M N O P Q R S T U V W X Y Z ALL You Have Viewed Too Many Free Essays, Term Papers, and Book Reports. Atoms Atoms Chemistry A Final Review Introduction Atoms make up everything around us from the air we breathe to food we eat and even the stars in the sky. The average layman does not know much about the atom but in this paper I will explain what and why they are. A Brief History The word atom comes from the Greek word meaning indivisible. The concept of the atom had its foundations in ancient Greece with Leucippe of Milet. In 420 B.C. his disciple Democrite of Abdere had the concept that atoms were particles in perpetual motion and were invisible because of their infinitely small size, indivisible, solid, eternal because they are perfect, surrounded by an empty space, and having an infinite number of shapes. His theory was exceptionally close to reality, being that it was 420B.C. The Periodic Table Today we know that each atom is made up of three parts, a proton, a neutron and an electron. These atoms combine to make compounds. The most basic atoms are called elements and cannot be broken down any more than they already are. There are currently 118 known elements 90 of them occurring naturally and the other 28 are man made. The elements combine in an atom, particles, charge, atoms, electrons, because, protons, quarks, positive, one, neutron, two, neutrons, negative, electron, amount, nucleus, neutral, matter, elements, universe, three, same, quark, number, normal, making, make, each, called, bonds, types, sub-atomic, proton, particle, outer, nucleons, energy, electrical, chemical, charged, between, word, table, symmetry, spin, shell, reactions, periodic, now, neutrinos Word Count: 1407 Acceptance_Essays American_History Anatomy_&_Physiology Animal_Science_&_Zoology Anthropology Architecture Art Astronomy Aviation Biographies Book_Reports Business Computers Creative_Writing Current_Events Economics Education Engineering English Environmental_Science Ethics European_History Film_&_TV Foreign_Languages Geography Government_&_Politics Health_&_Beauty History_Other Human_Sexuality Legal_Issues Marketing Mathematics Medicine Miscellaneous Music Mythology Philosophy Physics Poetry Political_Science Psychology Religion Science Shakespeare Social_Issues Sociology Speech Sports_&_Recreation Supernatural Technology Theater Theses_&_Dissertations

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