ATOMIC STRUCTURE AND THE PERIODIC TABLE Theoretical change with respect to Dalton’s atomic theory 1. In 1803‚ atomic theory was revived by John Dalton a) matter is made up of tiny particles called atoms which cannot be created‚ destroyed or split b) all atoms of one element are identical:- same mass and same chemical properties c) a chemical reaction consists of rearranging atoms from one combination to another. d) When elements combine to form compounds‚ small whole numbers of atoms
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A fusion bomb is a bomb that uses nuclear fusion to gain energy. A specific fusion bomb would be a hydrogen bomb or also called the H-bomb. How the bomb works is it uses deuterium and tritium (which are both isotopes of hydrogen) and they fuse into helium releasing great amounts of energy. The bomb itself was thought up by many people but Edward Teller was the one who took the ideal and ran with it. He created and tested multiple Hydrogen Bombs in his life. The idea of this bomb was floating in
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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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I do not think that the dropping of the atomic bombs were dropped for a good reason. Although we know that the Americans were just getting revenge for lives of the soldiers who died in the Pearl Harbor disaster makes us feel sympathetic. But I feel that bombings were unnecessary because of the effects. The effects aftermath on the cities was catastrophic‚ the explosion wiped out 90% of the Hiroshima‚ and instantaneously killed eighty thousand workers and civilians combined. more ended up dying later
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Ms. Wilson Chem‚ Blk 10 31 October 2012 Atomic Emission Spectra Lab Atomic spectroscopy is the determination of elemental composition by its electromagnetic or mass spectrum. An arrangement of all wavelengths of electromagnetic radiation is called the spectrum; the plural being spectra. As light passes through a prism‚ the frequencies of light emitted by an element separate into separate lines to give the atomic emission spectrum of the element. There are two spectrums in the lab: the incandescent
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IAEA Topic: Effects on Atomic Radiation Country Name: Kazakhstan Kazakhstan has been part of the United Nations for over 21 years‚ since Kazakhstan gained its independence from the Soviet Union. Kazakhstan has as a goal to overcome and solve the problem of Atomic Radiation with the help of all the delegates present today. Atomic radiation exists due to the use of atomic and nuclear weaponry and the malfunction or disasters in nuclear plants. The effects of atomic radiation have become a major
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nuclear bomb is dangerous and scary weapon that really should have never been thought of or invented. Nuclear bombs have been the focal point of every country’s scientists ever since World War II when the U.S. dropped them on Japan. Just seeing the death and destruction a nuclear bomb can cause to people and the environment just proves my point. Not one person should have the power to just be able to push a button and have the ability to tear another country to shreds. When the first bomb was dropped
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In his groundbreaking work The Search for Order 1877-1920‚ Robert Wiebe seeks to prove that the drastic changes seen in America at the turn of the century were not disconnected singular events. Instead there was a singular “deep-flowing current‚ which gave unity and meaning to the period as a whole” (VII). This current was the shift from small town American and their values to the new bureaucratically-minded middle class and the development of values to help cope with this new focus of society
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The Atomic and Nuclear Structure of an Atom The atom has three main components the protons‚ neutrons‚ and electrons. The protons and neutrons make up the nucleus‚ while the electrons are found outside the atom’s nucleus. Each component of an atom has a charge to it. The protons have a positive charge. The electrons have a negative charge‚ and the neutrons have a neutral charge. The atoms also have a charge. For example hydrogen can be negative‚ positive or neutral. These are called
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poem‚ “Diameter of the Bomb”‚ written by Yehuda Amichai‚ illustrates how the intuition of war and a single act of violence resounds through history‚ encompassing the whole world and God with it. The poem initiates as the poet enumerates the characteristics of the bomb. Details about the size of the bomb‚ its effective radius‚ the number of casualties‚ then slowly the details become people‚ the statistics turn human‚ and we are shown the real human cost of terrorism. The bomb is epitomized as grasping
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