JC1 H2 Chemistry Atomic Structure Tutorial 1. How many protons‚ neutrons and electrons are there in 3+ ion? 2. Write down the electronic configuration of (a) Si (atomic no. 14) (b) Sc (atomic no. 21) (c) Co (atomic no. 27) 3. Which of the following ions contains an unpaired electron? A calcium ion B copper(II) ion C potassium ion D titanium(IV) ion 4. Some isotopes are unstable and decompose naturally. In one type of decomposition‚ a neutron in the nucleus decomposes to form a proton‚ which is
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It was estimated that invading Japan with a normal attack would cost 1.2 million casualties (Source #2‚ see annotation). This was one of the most prevalent factors in President Truman’s decision to authorize the use of the atomic bomb. The other leading influence on the atomic bomb’s justification was the Japanese
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The alternative hypotheses in this case is dropping an atomic bomb against your enemies will end war and save lives. The null hypothesis was ending war and saving lives had nothing to do with the reason why the atomic bomb was dropped. It was dropped on the sole propose of showing the world that it would be willing to use nuclear weapons against its enemies. Finding the data on how many times we used bombs on enemies and non-enemies can test both hypotheses. After that we will take a look at the
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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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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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2014 AMT 154 Weight & Balance Weight and balance is important on every aircraft. An aircraft’s performance and handling characteristics are greatly affected by the gross weight and center of gravity limits. An overloaded and improperly balanced aircraft requires more power and greater fuel consumption to maintain flight. The stability of the aircraft is also seriously impacted by the weight and balance factors of aviation. Lack of understanding the severity of the effects of weight and balance
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Chemistry Atomic Structure: The Electron A myriad of trends occur on the periodic table‚ whether it is defined through the size of the atoms or the first ionization energy that may occur‚ many other trends can be found simply looking horizontally or vertically on to the table. As you look from left to right you can see that the reactivity of the elements increase‚ this is due to the number of electrons increasing on the shell. This also once you go down the table; the shells become further and
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All Were there any injury phases on the people who survived the Atomic Bomb horrific? The injury phases on the people in Hiroshima and Nagasaki who survived The Atomic Bomb were horrific because most people were instantly vaporized or had the high risk of Cancers‚Blood Disorders‚ and Tumors. There were also risks of being badly burnt and having skin injuries that caused life long disorders to the body. The Atomic Bomb was so powerful that it caused more than 7 decades of death and agony to the people
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The dropping of the atomic bomb on Japan is significant in many ways as it was a start of a new age of warfare. The dropping started a long journey into accepting that the world was going to advance technology. The dropping of the bomb made countries fear each other but it also stopped world war two. The impact of the atomic bomb on Japan is a reason why the bomb was significant because they were the trial run. The atomic bomb was powerful and caused suffering to thousands of people. The first bomb
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