Thursday, December 19, 2019

Atomic Structures And The Atomic Structure Essay - 984 Words

Atomic Structure Timeline Welcome to the atomic structure timeline. This site explores discoveries related to atomic structure including the electron, proton and neutron. The dates used for events are open to debate since many scientist s spent decades studying a topic. Check the links for more in depth material. Most of all enjoy. Created by Lee Buescher, ScienceDept, Watertown High School Watertown, Wisconsin 53098 USA Visit these sites for original papers in chemistry. 1. Selected Classic Papers from the History of Chemistry by Carmen Giunta at Le Moyne College. 2. John Parks Chem Team site on Classic Papers from the History of Chemistry Early theories of the structure of matter were not based upon experiments. As scientists began to study the relationship between several physical phenomenon such as electricity, and magnetism they began to develop different models about atomic structure. Year Scientist(s) Discovery Greek era Democritus by convention bitter, by convention sweet, but in reality atoms and void 1704 Isaac Newton Proposed a mechanical universe with small solid masses in motion. 1803 John Dalton Proposed an atomic theory with spherical solid atoms based upon measurable properties of mass. 1832 Michael Faraday Studied the effect of electricity on solutions, coined term electrolysis as a splitting of molecules with electricity, developed laws of electrolysis. Faraday himself was not a proponent of atomism. 1859 J. Plucker BuiltShow MoreRelatedStructure Of The Atomic Structure1437 Words   |  6 PagesTASK 1:- Describe the structure (including the atomic structure) associated with 1. Metal 2. Polymer- Elastomer 3. Ceramic 4. Composite- Carbon Fibre 5. Smart Material ïÆ'Ëœ METAL:- Metals are chemical components with general characteristics and similar Physical and Chemical Properties underneath traditional conditions. The study of metals is named science. Not all of the metals have the properties and characteristics below. Several components is also classified as metals consistent with one setRead MoreThe History Of Atomic Structure1504 Words   |  7 PagesEliza Abrams Mrs. Baldwin Honors Chem â…˜ 24 November 2015 The History of Atomic Structure For many years Greek philosophers were intrigued by the question of what matter consists of(Lucretius 31). In the fifth century BC, Democritus was the first philosopher to come up with a coherent atom theory. Based upon the reasoning that a stone can be split in half an infinite number of times, he hypothesized that at some point the stone would be too small for the eye to see. Democritus categorized such minisculeRead MoreThe History Of Atomic Structure1720 Words   |  7 PagesHistory of Atomic Structure What is the atomic structure you may ask? Well, it’s the law stating the structure of an atom. It is composed of a positively charged nucleus containing a certain amount of protons (positive), neutrons (neutral charge), and electrons (negative). The amount of each subatomic particle (proton, neutron, and electron) all depend on what the element is. Now although this statement may seem fairly simple it was most definitely not. People have been studying the atomic structureRead MoreThe Physics Of Atomic Structure963 Words   |  4 PagesLesson 1 1. Increasing current funding for atomic structure would be a fantastic idea which could lead to discoveries beyond our imagination. For instance, in the quantum mechanical model, the fact that it is unable to tell the exact location and speed of the electron and cannot describe the electron as a particle orbiting a fixed path around the nucleus provides evidential support that funding must be placed into this to further our knowledge. 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Thomson came up with a atomic model. Soon after J.J. Thomson atomic model , Rutherford did a series of experiments with tiny radioactive particles,known as alpha particles.he fired a gold foil with alphaRead MoreEssay on Atomic Structure, Moles and Periodicity1198 Words   |  5 PagesAtomic structure, Moles and Periodicity The Periodic Table is guidance or map to access different elements specific information, such as: atomic mass, isotopic richness, nuclear spins, electronic configuration and the position of elements belong to which group and period in table. Over the past decades there were many Scientifics which help to improvement of Periodic table but few of them made the most influence and contribution on Periodic table such as : Johann Dobereiner ,John Newlands ,Read MoreCoppers Atomic Structure Essay1342 Words   |  6 Pagesspeak), there is much information regarding its atomic buildup. Every element’s atoms are composed of three main subatomic particles: neutrons, electrons and protons. Located in the atom’s nucleus, protons and neutrons are referred to as nucleons. The electrons rest outside of the nucleus at various energy levels (orbitals). Most of an atoms mass comes from its very small nucleus, whose protons and neutrons each have a mass of approximately 1 u (atomic mass units). Electrons, on the other hand, haveRead MoreIodine 131 s Atomic Structure1287 Words   |  6 PagesIodine-131’s atomic structure has 5 energy levels in total. The first energy level has 2 electrons, second energy level has 8 electrons, third energy level has 18 electrons, fourth energy level has 18 electrons and finally the fifth energy level has 7 electrons. The radioisotope has a half-life of 8.0 days and every half-life in the radioactive Iodine is reduced by 50%, however, the other 50% does not become part of Iodine-131 because it becomes stable. The radioisoto pe has 53 protons and 78 neutronsRead MoreAtomic Company Case Study1383 Words   |  6 Pageslucky series of events, Atomic Company has enjoyed a sharp increase in sales of their Tiger Pants line. The most obvious and immediate pains being felt by management is the inability to predict future sales and the high amount being paid out in sales commissions. While these are legitimate concerns, I believe deeper problems exist. The current sales structure divides independent sales representatives into different product lines and territories. This means that an Atomic Company retailer carrying

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