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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------------------------------------------------- Extension1 After the Bomb Creative: ------------------------------------------------- As soon as I opened the door the stench of overcooked vegetables‚ overuse of hand sanitizers and urine overwhelms me. Most assume that I would be used to the smell by now‚ but one thing I can never adjust to is the odor of a nursing home. I check in at the front desk and make my way to room 108‚ to see my beloved father. Hearing the sound of the old wooden door
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ATOMIC THEORIES AND HISTORY * Democritus (Greek) - “atomus” meaning indivicible * Indivisible particles called atoms * John Dalton – MODERN ATOMIC THEORY: 1. All matter is made of tiny‚ indestructible particles called atoms (Democritus) 2. All atoms of a given element are identical (not accepted today bc isotopes) 3. Atoms are neither created nor destroyed in chemical reactions (Lavoisier) 4. Atoms of different elements form compounds in whole number ratios (Proust)
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U.S. chose to use the atomic bomb against Japan in hopes of ending the war swiftly and obtaining ultimate power over post-war decisions. They failed to realize the consequences that would follow their detrimental decision. Not only would the bomb kill thousands of innocent lives‚ consequently it would trigger an effect that would create a desire for other countries to possess an atomic bomb as well. Alternatives to the bomb were present‚
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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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Time Bomb In the United States about every other marriage ends in divorce these days. The reasons are varied‚ but what matters more are those directly affected‚ the children. Fifty percent will witness their parents’ divorce before they are adults and one of ten of those children will see it a second or even third time. We know the nature of divorce can be an ugly mess for everyone involved‚ but who speaks for the little guy? Most times adults will control the situation whether it is moving to
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THE ATOMIC BOMBINGS OF HIROSHIMA AND NAGASAKI JUSTIFIED? A bomb which was equal to 13‚000 tonnes of highly-explosive bombs‚ used to make the Japanese surrender‚ but also killing many lives‚ cannot be justified. When the highly-explosive bombs were dropped in Dresden‚ everyone had thought of this as very affective. But imagine how bad the atomic bomb would be‚ which could destroy a city only just by its radiation‚ let alone the actual explosion. President Truman of America made a decision of using
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Democritus Democritus ( 460 a.c.– 370 a.c.) was an Ancient Greek philosopher born in Abdera‚ Thrace‚ Greece. He was an influential pre-Socratic philosopher and pupil of Leucippus‚ who formulated an atomic theory for the universe. His early deductions about the composition of the basic component of nature led him to believe in unseen and uncuttable particles ‚ called atomos. This Greek philosopher wondered how he could be sitting in one part of his
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This egg drop experiment forced me to think and develop a design that I felt confident with. I developed several models and tested them numerous times‚ but could not settle on one. Eventually‚ I was able to put an addition onto one of my designs which gave me confidence in its ability to protect that precious egg. I will explain why my design worked so well in respect to impulse‚ air resistance‚ and stability. First‚ I will discuss impulse. Impulse is a force acting briefly on a body and producing
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Plus amnesty international defends human rights for people whenever there are violated. b) what does amnesty international do The things that amnesty international does are that they criticize the government or political parties for making stupid decisions or being unfair to the community. However the still criticize the government or political parties or different organizations if they are abusing human rights or failing to protect people in the country. Amnesty also gets information about rights
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