h T c i m o t A n r e d o M Teacher: Mr. Silver y r eo Presentation By Sai Nikhil and group What is Modern Atomic Theory? Atomic theory is the scientific theory of the nature of matter. The theory states that matter is made up of small particles called atoms. Prior to this theory‚ matter was thought to be able to be divided into any small quantity. The word atom is derived from the Greek atoms‚ meaning indivisible. The Contributors • John Dalton. • Earnest Rutherford. • J. J. Thomson. • Albert
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Bohr‚ Werner Heisenberg and others in the years 1924-27. A problem was later seen with the interpretation of it being applied to everyday objects resulting in contradiction with common sense. The Schrodinger’s Cat experiment was then made by Erwin Schrodinger to illustrate the problem which paved the way for other scientists to experiment with probabilities. Research Problem * Can we test the probability of Bull’s-Eyes with the use of a Bow and Arrow? Specific Problem * How many trials would
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Erwin stated that he likes to imagine that there is a cat placed inside of a box and beside the cat is some radioactive material‚ which contains poisonous gas. If the poison gets to the cat‚ it dies‚ but this will only happen when a radioactive atom disintegrates
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Atom History Essay An Atom is a basic unit of matter that consists of a dense‚ central nucleus surrounded by a cloud of negatively charged electrons. The Atom was theorized by a man named Democritus of Abdera‚ Thrace in between c.a 460 BC - ca. 370 B.C. Atom is derived from the Greek word “atomos” ‚ which means to be uncuttable. He had a theory that everything is composed of “atoms”‚ which he believed that these minuscule objects are indivisible‚ indestructible and have and always been in motion
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History of the Atomic Model Just as we once believed that the earth was flat‚ our understanding of the atom was once extremely limited. As time passes‚ we begin to discover more and more about the world we live in. We have come to know much about the atom over the past two hundred years through the work of numerous brilliant scientists. Throughout history‚ scientists have come up with many experiments and atomic models to explain the atoms all around us‚ all leading up to our modern understanding
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dense‚ very small and positively charged. He also assumed that the electrons were located outside the nucleus. * 1922: Niels Bohr established his theory that the electrons travel in distinct orbits around the atom’s nucleus. * 1926: Erwin Schrodinger stated his development of the mathematical description that described the ways that electrons would follow in their orbits around the nucleus. * 1932: James Chadwick discovered the neutron that is no charge (neutral). He also found the neutron
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Historical Development of Atomic Structure Yazan Fahmawi Sept. 30‚ 1995 T3 IBS Chemistry Ms. Redman The idea behind the "atom" goes back to the Ancient Greek society‚ where scientists believed that all matter was made of smaller‚ more fundamental particles called elements. They called these particles atoms‚ meaning "not divisible." Then came the chemists and physicists of the 16th and 17th centuries who discovered various formulae of various salts and water‚ hence discovering the idea of a molecule
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Alice in Quantumland‚ speaks about a law of the quantum world‚ which shows that electrons have no distinguishing features except for their spin. This law being all electrons are identical‚ except that some spin-up‚ whereas others spin-down. The electrons even spin at the same speed. This allows them to interact harmoniously with each other and to find pairs within their space based only on each other ’s spins. In the novel‚ Alice noted that nearby was another similar looking figure to the electron
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Physics is a natural science that involves the study of matter and its motion through space and time‚ along with related concepts such as energy and force. More broadly‚ it is the general analysis of nature‚ conducted in order to understand how the universe behaves. Physics is one of the oldest academic disciplines‚ perhaps the oldest through its inclusion of astronomy. Over the last two millennia‚ physics was a part of natural philosophy along with chemistry‚ certain branches of mathematics‚ and
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Matter: anything that has mass and takes up space Particle Theory: the scientific statements that summarize about particles of matter 1. All matter is made up of particles that contain spaces between each particle 2. Different substances are made up of different types of particles 3. Particles are always in constant motion 4. The movement of particles will increase if temperature rises 5. Particles are attracted to each other Pure substance: a substance that consists of only 1 type of particle
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