Integrated Physics and Chemistry – Unit 2: The Structure of Matter Experiment: Atomic Structure In this experiment‚ you will have a chance to test the hypothesis that Ernest Rutherford used when determining the size of the nucleus. In his "gold foil experiment‚" Rutherford shot alpha particles at gold atoms. Once he realized that the alpha particles were hitting a concentrated positive mass‚ he developed the nuclear model of the atom. Next‚ he set out to determine the relative size of the nucleus compared
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Hiroshima: Was Dropping the Atomic Bomb a Military Necessity? On the morning of August 6th‚ 1945 at around 8:16 a.m.‚ the United States dropped the first bomb on Hiroshima. This bomb was given the nickname “Little Boy.” Three days after the first atomic bomb was dropped‚ on August 9th‚ 1945 at around 11:02 a.m.‚ the United States dropped a second atomic bomb on Nagasaki. This bomb was given the nickname “Fat Man.” These two bombs immensely destroyed these cities and took the lives of many people
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Effects of the Atomic Bomb Ryan McNall Southern Vermont College In our vast history of events‚ we have learned a lot about radiation. One event in time that had a big effect on what we know about radiation was when the first atomic bomb was dropped on Hiroshima‚ Japan in 1945. This attack started the nuclear warfare age and gave the world an idea of what radiation can do to your body if it is used in the wrong ways. Before the attack on Japan‚ the United
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creation of one of the most destructive weapons known to humanity occurred within the United States. This weapon‚ known as “the atomic bomb‚” was used on the two Japanese cities: Hiroshima and Nagasaki‚ resulting in a death toll unprecedented by any military weapon used before and an immediate‚ unconditional surrender. Some historians believe President Truman decided to drop the atomic bomb in order to intimidate the Soviet Union whereas others believe it was a strictly military measure designed to force
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everything happens for a reason”. When president Truman and his advisors made the decision to drop the atomic bomb‚ they thought it would end the war. The dropping of the atomic atomic bomb had many successful tactics. It created great peace for the US from the fact that it ended total war. After the US had lost millions to the war‚ it was ready to make a change to end all war. Good things did come from the atomic bomb‚ like the fact that it ended World War II. The amount of peace for the US got for dropping
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August 6‚ 1945‚ the United States shocked the world by dropping an atomic bomb over the city of Hiroshima‚ Japan. (www.grolier.com) Hiroshima was a major industrial city with an estimated population of almost 400‚000 people. A B-29 bomber was loaded with the Atomic Bomb and left the United States Pacific air base at 2:45 a.m. local time and dropped the bomb at 8:15 a.m. The bomb was detonated one minute after being dropped. The atomic bomb‚ nicknamed "Little Boy"‚ which was dropped on the Hiroshima
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Why did the Truman Administration decide to drop the atomic bombs on Japan in 1945? There has been much debate as to why Truman elected to drop the atomic weapons on Hiroshima and Nagasaki in the summer of 1945. Historians have long debated the true purpose to which the atomic bombs were designed to fulfil upon there deployment. The Alperovitz thesis of the 1960 was accepted for many years. The thesis revolved around the idea that the atomic weapons were deployed as diplomatic tools to intimidate
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DBQ ESSAY In Europe‚ the war with Germany was over but Japan was still fighting. So the U.S could concreted on the war with Japan. The U.S had atomic bombs ready and a decision had to be made; should they sent ground forces to invade Japan or should they bomb Japan. So on August 1945 the U.S decided to drop atomic bombs on the Japanese cities of Hiroshima and Nagasaki and this created some controversy. Some people though it was a good idea to bomb Japan‚ while others say that 200‚000 innocent people
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6th 1945 the United States dropped an atomic bomb on Hiroshima‚ Japan. Three days later‚ they dropped a second one on another Japanese city‚ Nagasaki. Those two bombs were first and only atomic weapons ever used in actual combat. Until atomic bombs were reported in “The New York Times”‚ most American citizens had never heard of atomic bombs. Ordinary bombs had been an important part of World War II‚ and they brought much destruction to both sides. This atomic bomb‚ the equivalent of 20‚000 tons of
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speak)‚ 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 atom’s 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‚ have
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