DEVELOPMENT OF THE ATOMIC THEORY Part A: HISTORY * 1869: Mendeleev formulated the Table of the Elements - listing them by their atomic weight and grouping them with similar characteristics. * 1897: JJ Thomson discovered electron and isotopes‚ and invented the mass spectrometer. * 1898: Marie Curie discovered and isolated radium‚ a new element which unprompted disintegrated into other elements. This proved that the atoms of one element at least were not indivisible. * 1911: Ernest
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....10 2 1 Introduction There is a lot of controversy surrounding the atomic bombs that the United States dropped on the Japanese cities of Hiroshima and Nagasaki during World War Two. There are many different schools of thought on the issue amongst politicians‚ historians‚ and scholars‚ some of which are for‚ and others against the bomb’s use. While some claim the bomb was military necessary to end the war quickly‚ to preserve American lives‚ opponents believe that the bomb was an unnecessary
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The war started mainly from four conditions: Militarism‚ Alliances‚ Imperialism‚ and Nationalism. Austria- Hungary declares war on Serbia. Austria then declares war on Russia. Germany declares war on Russia. Two days later Germany declares war on France. Later‚ Great Britain declares war on Germany. Alliances were formed‚ Germany and Austria-Hungary were known as the Central Powers. On the other side‚ United states‚ Great Britain‚ France‚ and Russia were known as the Allied powers. Japan joined the
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There have been many wars throughout the history of the world. WWII could easily be called one of the most devastating wars; solely because of the introduction of nuclear weapons. Nuclear weapons have taken away the lives of innocent civilians‚ are very expensive to make or contain‚ have caused devastating amounts of damage‚ and have long-lasting effects. They also violate human rights. During WWII America dropped an atomic bomb on Hiroshima; an army base in Japan. Years later‚ John Hersey wrote
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World War 2 was one of the biggest wars in history. Japan started WW2 for the US by attacking Pearl Harbor. There was many important battles that the United States had win in order to not lose the war. Two were Midway and D-Day. The Holocaust was a big issue in the war‚ which was started by Adolf Hitler. Japan got what they deserved by making the United States drop two atomic bombs. Pearl Harbor was an attack on a US naval base by Japan. On the morning of December 7‚ 1941‚ hundreds of Japanese fighter
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Brian Resto 822 June 7‚ 2011 World War II [pic] World War II took place in Europe from 1939 until 1945. The War began when Adolph Hitler became the infamous dictator of Germany during the global depression. Adolph Hitler was seeking vengeance for Germany’s loss in the First World War which is when he began to rebuild the German military. In 1936‚ Germany started invading the land they lost during World War I; Adolph Hitler started signing alliances to form the
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To this day‚ World War II has been the largest and deadliest conflict in history. World War II lasted from 1939 to 1945. With over fifty nations involved‚ fighting took place in almost every part of the world on land‚ sea‚ and in the air. The conflict was partly caused by the economic crisis of the Great Depression and by unresolved political tensions following the end of World War I. There were two military alliances during the war‚ the Allies and the Axis powers. Germany and Japan were two of the
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After World War II‚ the Western European nations made a concentrated effort to consolidate their economies and lessen the political conflict‚ and also mark departure from the days in which European nations openly sought to undermine or destroy each other. European nations became closer tied due to many treaties and economic policies which stabilized the countries ravaged by World War II. To the most important economic programs at the time where the ECSC‚ or the European coal and steel community
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Fashion Trends Change after World War II During World War II‚ fashion was bland. Women wore clothing‚ such as military jumpsuits‚ that signified war and the military. There were many laws and restrictions against women’s fashion during these times; women’s silhouettes‚ their lengths of garments‚ their garment colors‚ and the fabrication usage. Wool and nylon were mostly for garments and other casual clothing because the textiles were needed for those in the war. The laws against fashion were
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some difficult decisions. Some of them‚ which caused wars and a lot of hate towards the British‚ and some that strictly affected the British colonies‚ which caused a lot of issues. The Seven Years war had a strong effect on the British Empire because it put the British in a lot of debt and they needed a way to get out of debt‚ which was one of the major consequences of the American Revolution. With the corruption that followed after the Seven Year war with the empire and
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