Atoms are a part of our everyday life. Even though people might not realize it‚ they contribute to more things than people may think. From small things such as a small pebble‚ to something huge‚ like a castle. They inhabit our lifes in more way than one. Atoms make up everything around us from the air we breathe to food we eat and even the stars in the sky. The average layman does not know much about the atom but in this paper I will explain what and why they are. The word atom comes from the Greek
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Models of the Atom a) Plum Pudding Model The plum pudding model imagines the atom as a positively charged entity that contains randomly dispersed (negative) electrons within it. It is called the plum pudding model because the electrons in the positively charge cloud resemble raisins in a pudding. Thomson realized that all atoms must contain electrons‚ and since the atoms had a neutral charge‚ they must also include protons. This led him and other to think of the atom as a positively charged
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pADVENTURES of an Atom By: Nicole Zemaitis Atom-Smallest particle of an element that retains the properties of the element. Scientific discovery is how the present day Atomic Theory was made up. The current atomic theory was formed by different scientists over many years‚ each scientist building on or proving theories wrong. Democritus 460-370 B.C. Narrative: Hello! My name is Anna the Atom. I’m writing to you to describe
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phosphorus atom. A) 4‚ 2 B) 2‚ 4 C) 2‚ 3 D) 4‚ 3 E) 0‚ 3 2-There are __________ paired and __________ unpaired electrons in the Lewis symbol for a phosphorus atom. A) 4‚ 2 B) 2‚ 4 C) 2‚ 3 D) 4‚ 3 E) 0‚ 3 3- How many unpaired electrons are there in an ion? A) 0 B) 1 C) 2 D) 3 E) This cannot be predicted. 4-What is the electron configuration for the ion? A) B) C) D) E) 5- How many single covalent bonds must a silicon atom form to have
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Cloud Model - an atom is comprised of a nucleus made up of neutrons and protons‚ and electrons moving extremely fast around the nucleus‚ forming an electron cloud instead of moving in orbits like what Bohr’s model suggests - proposed by Erwin Schrodinger in 1926‚ when he derived this model using a mathematical equation that he himself made http://1.bp.blogspot.com/-LEqGPr4h8R4/TsgJyT6vP6I/AAAAAAAAAKE/pTl6O3V2u0M/s200/electron_cloud_model.jpg The Planetary/Bohr’s Model - an atom is comprised of
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A Project report On A study to understand market acceptability of Pepsi Atom In partial fulfilment of the requirements of Master of Management Studies Conducted by University of Mumbai “A study to understand market acceptability of Pepsi Atom” under the guidance of Prof. Rajesh Vyas in partial fulfillment of the requirement of Masters of Management Studies by University of Mumbai for the academic year 2012 – 2014. _______________ Prof. Rajesh Vyas Project Guide
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STABILITY STRATEGY Stability strategy implies continuing the current activities of the firm without any significant change in direction. If the environment is unstable and the firm is doing well‚ then it may believe that it is better to make no changes. A firm is said to be following a stability strategy if it is satisfied with the same consumer groups and maintaining the same market share‚ satisfied with incremental improvements of functional performance and the management does not want to take
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The Manhattan Project World War II started on September 1 1939‚ when Germany attacked Poland. By 1941‚ the Germans were ahead in the race for the atomic bomb. They had a heavy-water plant‚ high-grade uranium compounds‚ capable scientists and engineers‚ and the greatest chemical engineering industry in the world. Even before its entry into the war‚ the United States had become very concerned with the nuclear threat of the Axis powers. On October 11‚ 1939‚ President Franklin D. Roosevelt received
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stable it must lose 4 electrons (to become a noble gas). So that is why Zr4+ is formed. Compare the stability of the zr atom and zr ion. the electron configuration for Zr is [Kr] 4d2 5s2. Ions are formed by losing electrons in outer shells to obtain more stable electron configurations like those of noble gases. By losing 4 electrons‚ it would have the electron configuration of the noble gas‚ Kr. So that is why the Zr 4+ ion is
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If we go back to the history of 1945‚ we come to know the history of 1945; we come to know the worst type of nuclear disaster the world had witnessed. On August 6‚ 1945 an atom bomb was dropped on HIROSHIMA in Japan‚ which devastated the entire town killing 66‚000 people and injuring nearly 69‚000. On August 9‚ 1945 another atom bomb was dropped on NAGASAKI. This bomb killed nearly 39‚000 people and injured more than 25‚000. Nuclear weapons are thus‚ far more destructive and harmful to the society
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