Proton Essays

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    universe. They are made up of 3 subatomic particles called protons, neutrons and electrons. Protons have a positive charge, neutrons have no charge and electrons have a negative charge. Neutrons and protons are approximately similar in size as they both have an atomic mass of 1. His mass is relative to an element on the period table called carbon, which consists of an atom with 12 protons. Electrons however, are much lighter than protons and neutrons. In fact, they are 1837 times lighter Recently

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    Pros And Cons Of Sulphur

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    similar as the proton number which is located in the nucleus and converts the nucleus in to a positive charge as neutron is a neutral charge (+-) so positive (+) plus neutral (+-) equals a positive charge. The atomic mass for sulphur is 32 amu or (Atomic Mass Unit is the international system of units). The melting point of sulphur is 112.8 °C and the boiling point of Sulphur is 444.6 °C. Sulphur has an equal number of proton and neutron due to its atomic mass subtracted by the proton/atomic number

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    Lithium Atomic Structure

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    the periodic table lithium’s atomic number is 3. The atomic number describes the number of protons in the nucleus and the number of electrons in the atom when it is not ionized. (An ion is an atom where the amount of protons and electrons is not equal.) Lithium has 3 protons; therefore it must have 3 electrons when it is not ionized. The protons and neutrons together form the nucleus. Lithium has 3 protons and usually 4 neutrons since its atomic weight is 6.9 according to the periodic table. The

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    and has a mass 2. Mass it’s a measure of matter in any given object 3. Atom are composed of tiny pieces of matter composed of constituent parts A: Protons. Neutrons and Electrons 1. Protons (positive charge) combined to form an atom 2. Neutron (no charge) combined to form an atom 3. Electrons (negative charge) combined to form an atom 4. Protons

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    on non-renewable fuels were self-destructive. Soddy was and still is a successful scientist of the atomic model and theory thanks to his findings of isotopes. The same elements exist in different forms, with nuclei having the same number of protons but different numbers of neutrons. This changed the theory of the atomic model. Soddy used the rather basic tools and used the ones available to him. This includes hand blown glass bulbs, carefully made and then evacuated to create what is commonly

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    The Modern Development of Atomic Theory According to Democritus, “Nothing exists except atoms and empty space; everything else is opinion.” This conveys the controversy in scientific investigations made in defining a singular molecule. Since 460 BC, atomism has been an alternating concept of chemistry. Several significant scientists have contributed to this field profoundly. The modern development of the atomic theory is based on researches and discoveries of Democritus, John Dalton, J.J. Thomson

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    Nuclear Energy

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    the energy that is found in the nucleus of an atom. Atoms are smaller particles, which can be divided into a material. In the nucleus of each atom there are two types of particles (neutrons and protons) which are always united. Nuclear energy is the energy that allows the permanent union of neutrons and protons. In this section, we discuss the pros and cons of nuclear energy. Although most organizations related to nuclear energy has already an opinion for or against the use of nuclear energy, on this

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    Persuasive Essay The heart is the central or innermost part of an human. Enough said, hands down, most important. The heart is the nucleus of the human, similar to the protons and neutrons in the nucleus of an atom. No other living organism can feel the feelings we have with the heart. Each human loves a particular hobby even if it is sleep, love of the Earth, and most humans love a particular someone. Whether a spouse, friend, or family member everyone has strong feelings for someone. For example

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    Gatorade Battery Report

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    Did you know that Gatorade and other sports drinks contain electrolytes that can be used in a battery solution? These electrolytes are the same ones that replenish your body after exercise. Gatorade and other drinks have different electrolyte activity rates. That makes the battery either more or less powerful. A battery can be made with more electrolyte containing materials than you think. A battery can be made with anything that has electrolyte activity. Electricity is a class of science which

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    NUCLEAR ENERGY Nuclear energy is the energy in the nucleus of an atom. Atoms are the smallest particles that can break a material. Nuclear energy can be used to produce electricity. This energy can be obtained in two ways: nuclear fusion and nuclear fission. In nuclear fusion, energy is released when atoms are combined or fused together to form a larger atom. In nuclear fission, atoms are split into smaller atoms, releasing energy. Actually, nuclear power plants can only use nuclear fission to produce

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    Atoms Dbq Research Paper

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    found in all atoms and acting as the primary carrier of electricity in solids. Inside the dense nucleus, are protons and neutrons (Doc. 2). Protons are a stable subatomic particle with a positive charge that is the opposite of an electron and occurs in all atomic nuclei. Lastly is the neutron. It is a stable subatomic particle that has no charge and has nearly the same amount of mass as a proton. It is also in all atomic nuclei except those of ordinary hydrogen.

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    Nt1310 Lab 6

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    Question # 1: Part A How many electrons and protons in an atom of vanadium? Answer # 1: Atomic number = number of protons = 23 Mass number = number of protons + neutrons Mass number = 51 g/mole Number of neutrons = 51-23 Number of Neutrons = 28 Number of electrons = atomic number = 23 Question # 1: Part B Explain in 2 or 3 sentences how the atomic weight is what is reported. Answer # 1: Atomic weight or atomic mass is basically the average mass of atoms of an element. Atomic mass is calculated

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    atoms of the element copper (Chemical symbol: Cu), one has to first gain knowledge on the three subatomic particles that make up copper atoms. Each atom is made up of electrons, neutrons, and protons.

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    Amy Hogan's Optical Lens

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    Optical Lenses by Amy Hogan The earliest known optical lenses date back to 750 BC in the assyrian empire. The first lense was know as the layard lense and was most likely used as a magnifying glass or to start fires. Many similar lenses have been found from ancient egypt, babylon, and greece. Ancient egypt and greece would fill glass spheres with water to achieve the same affect of lenses. Coincidentally lenses wasn't thought of until the middle ages. The earliest lenses were made from polished

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    as bullets, Rutherford knocked hydrogen nuclei out of atoms of six elements: boron (B), fluorine (F), sodium (Na), aluminum (Al), phosphorus (P) and nitrogen (N). He named them protons, from the Greek for 'first', for they consisted of the first identified building blocks of the nuclei of all elements. He found the protons mass at 1,836 times as great as the mass of the electron. But there appeared something terribly wrong with Rutherford's model of the atom. The theory of electricity and magnetism

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    Explain what is meant by relative atomic mass?- Relative atomic mass is the measure of the mass of an element which consists of the protons and neutrons; it is always the bigger number and has the symbol Ar. An obvious example of this is oxygen has the Ar of 16 yet sodium has the Ar of 23. Explain how relative formula mass is calculated using the periodic table- You need to find the relative atomic mass (M) for each atom but this can only be done when the relative atomic mass have been found

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    Isotopes are atoms that contain the same number of protons but have different numbers of neutrons (What is Isotope). These isotopes contain similar chemical properties but have different physical properties due to their atomic mass. Or in other words, isotopes have the same atomic number but differ in mass (What is an Isotope). “There are 90 naturally occurring elements with roughly 250 stable isotopes, and over 3200 unstable or radioactive isotopes” (Why are Isotopes Important). A stable isotope

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    the atom but some reflected or even bounced of the gold foil. Rutherford concluded that there was a positive group of particles in the centre of the atom he revised Dalton’s original model and said that atoms were made up of a positive nucleus of protons and that the electrons orbited this centre. He was unable to explain why the electrons orbited the nucleus and did not spiral inward as they lost

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    2.1 Proton therapy The first who came up with the idea to use accelerated protons in cancer radiation therapy was Robert Wilson in 1946 [6]. In his paper he stated the basic principles and potential of this discipline. After the paper was published it took 8 years before the first proton therapy treatment took place in Berkeley [7], followed by Uppsala in 1957. The accelerators used for these treatments were based on existing particle accelerators designed for fundamental research. The applications

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    There have been many models constructed by scientists who have tried to figured out how an atom is made up and what exactly it is made up of but two of the best atomic models of the atom are Bohr’s atomic model and the Electron cloud model which were both made in the early 1900s . In 1913 the Danish physicist Niels Bohr had created Bohr’s atomic model showing the atom and how it was structured. Bohr’s atomic model was the first known model of an atom that incorporated the quantum theory and also

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