Use of Microsoft SharePoint for Configuration Management in IT Organizations In the contemporary business marketplace‚ the requirement for a technology-based system to provide the tools for global organizations to archive and manage information has become an increasingly present issue. The use of a corporate-wide portal‚ supported by a collaborative‚ content management platform‚ provides an Information Management System (IMS) that culminates organizational information and intellectual capital
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What is it? Dysprosium is a silver-white chemical element discovered in 1886 by a French scientist named Paul-Émile Lecoq de Boisbaudran. It wasn’t isolated until a different separation technique (ion-exchange) developed in the 1950s by a Canadian scientist Frank Spedding and his team. This rare element it is never naturally found. It is only made chemically. It can be found in minerals such as xenotime. Dysprosium is a member to the lanthanide family on the periodic table just like all the other
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Dear reader‚ my original name is In Greek‚ Phosphoros‚ which means bringer of light‚ but I prefer to be called by my English name Phosphorus‚ but for easier reasons you can call me P. I am pretty much at the beginning of the periodic table‚ thanks to my atomic number of 15. Wonder what’s an atomic number? It is basically the number of protons‚ which is my positive charge‚ that I contain at my nucleus. The nucleus does not only contain protons‚ but also neutrons‚ which will be important to know of
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Electron Microscopy Electron microscopy is used to examine specimens which require greater detail than can be seen when using the light microscope. In comparison to light microscopes electron microscopes provide a clearer picture‚ greater magnification and greater resolution. There are two types of electron microscope; the scanning electron microscope and the transmission electron microscope. Electron microscopes use electromagnetic and electrostatic lenses and some are able to magnify the specimen
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Compare and contrast the use of light and electron microscopes in biological studies. Microscopes are laboratory equipment which are used to observe any matter that is too small to be seen by the naked eye. There are several types of microscopes – the two most common being the optical microscope‚ also known as a light microscope‚ and the electron microscope‚ which can be either a transmission electron microscope (TEM) or a scanning electron microscope (SEM). There are more differences than similarities
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Asses the impact of the development of the electron microscope on our understanding of the cell and it’s role in cell theory. Since the invention of the electron microscope in 1928 scientists have been able to study the ultrastructure of cells‚ that is‚ parts smaller than what can be seen with a light microscope‚ otherwise known as organelles and their functions. Light microscopes had been developed to a point where the quality of the lenses was not limiting the detail in the image‚ the main
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Bonding Section 3.3 Electron Configurations and Periodic Trends (pg. 139-157) Feb. 11 For single electron system all orbitals with the same value of have the same energy Atoms with more than 1 electron with the same value of n have different energies (sublevels) Because of interactions between additional electrons All orbitals within a sublevel have the same energy The Fourth Quantum Number: A property of the electron (spin quantum number: ms) Describes property of the electron that results from
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explaining the line spectrum: Bohr completed is model by making one more grand conclusion. He said that the electron could “jump” from one orbit to another by either emitting or absorbing photons with specific frequencies. Thus: • To move to a higher energy orbit ( a greater value of n) an electron must Absorb energy • To move to a lower energy orbit ( a lower value of n) an electron must Emit energy • The frequency of the absorbed or emitted energy corresponds to the energy difference
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8 Periodic Properties of the Elements 1) Give the ground state electron configuration for Se. A) [Ar]4s23d104p4 B) [Ar]4s24d104p4 C) [Ar]4s23d104p6 D) [Ar]4s23d10 E) [Ar]3d104p4 Answer: A 2) Give the ground state electron configuration for I. A) [Kr]5s24d105p6 B) [Kr]5s24d105p5 C) [Kr]4d105p6 D) [Kr]5s25p6 E) [Kr]5s25d105p6 Answer: B 3) Give the ground state electron configuration for Sr. A) [Kr]5s24d2 B) [Kr]5s24d105p2 C) [Kr]5s2 D) [Kr]5s25d105p2
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63 64 65 Relative mass /m/e 2M Species protons neutrons Electrons 20 Ne 10 10 10 10 16 O2- 8 8 8 10
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