Jocelyn Echegaray Mrs. Fisher Chemistry ‚ Period: 5 7 November 2017 Jocelyn Molybdenum 10/29/2017‚ Period 5 # of protons # of electrons # of neutrons Element Name Symbol Atomic # 42 42 56 Molybdenum Mo 42 Mass # Group Period Electron Configuration Lewis Dot Structure Family 95.95 6 5 [Kr]4d55s1 Mo. Metal Molybdenum is solid with a density of 10.2g/cm3‚ its boiling point is 4912 K or 4639°C which is 8382°F in fahrenheit‚ and its melting point 2896 K or 2623°C and 4753°F in fahrenheit
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Assignment 2 Form a group of 5. Discuss and present the answer in the class. Your presentation should not exceed FIVE slides and you are given 10 minutes (each group) to present. Do not exceed the time limit. There is no need for the write-up but you can exchange your slides with others in the class for reference. You may refer to your Robbins and Coulter’s ebook and internet resources. The Scenario You are the Chief Executive Officer of a fashion chain called Him&Her. Given a changing business
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Random Walk Test For KOREAN MARKET CONTENTS Part 1 Introduction Part 2 Data Part 3 Empirical Analysis Part 4 Extension Study Part 5 Summary INTRODUCTION ABOUT THE TOPIC Market efficiency and random walk theory This topic is fundamental and closely related to other topics. The validity of the random walk hypothesis is prerequisite for a lot of financial models Allow to apply knowledge learn from class INTRODUCTION WHY KOREA MARKET We are interested in emerging market There
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The Element Niobium Atomic Number: 41 Atomic Weight: 92.90638 Melting Point: 2750 K (2477°C or 4491°F) Boiling Point: 5017 K (4744°C or 8571°F) Density: 8.57 grams per cubic centimeter Phase at Room Temperature: Solid Element Classification: Metal Period Number: 5 Group Number: 5 Group Name: none What’s in a name? Named for the Greek mythological figure Niobe. Say what? Niobium is pronounced as ni-OH-bee-um. History
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Country: | Period 1 | Period 2 | Period 3 | China | N/A | * China was chosen for largest populations‚ lower tariffs and shipping cost from Thailand plant (China is the largest if India is compared to). * Market attracted to economy toothpaste (our brand specialty) and sales toothpaste enormously high. | | Distribution | N/A | Huge sales force in China based on market competition; therefore in large‚ expensive sales force and unjustifiable promotion budget. | Product drastically decreased
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Get your Wikispaces Classroom now: the easiest way to manage your class. guest|Join|Help|Sign In ShortStoryElementsBeebe Wiki Home Recent Changes Pages and Files Members All Pages home Love and Lasagna - full text Those Three Wishes - full text The Old Demon - full text Jade Soup - full text Rubrics Period 1 - Choices Period 1 - Jade Soup Period 1 - Love and Lasagna Period 1 - The Old Demon Period 1 - Those Three Wishes Period 2 - Choices Period 2 - Jade Soup Period 2 - The
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Trends in Ionization energy of Group 1 elements and Their Analysis 1) As we move down Group 1 (Elements are H‚ Li‚ Na‚ K‚ Rb‚ Cs‚ Fr) the general trend in first ionization energies is that they decrease as we move down the group from H to Cs. Francium is an exception. 2) As we move down Group 1‚ Ionization energies decrease because a) Distance between the Nucleus and the valence electrons increases with every new period; a new electron shell is added. This increases the atomic size which makes
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FePO4 is widely recognized as iron phosphate. It has a great similarity to quartz that has trigonal lattice structure‚ space group P3121 (group no. 152). When the condition is under 980K‚ FePO4 becomes α-FePO4 that has trigonal lattice structure too and space group P3121 (group no. 152). In this form‚ phosphate‚ iron‚ and oxygen take up Wyckoff position 3a‚ 3b‚ and 6c correspondingly. Every phosphate or iron atom is united to four oxygen atoms‚ composing corner-connected FePO4 and PO4 tetrahedral
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1. Sodium and potassium are the most frequently ecountered alkali metals‚ though rarely as the metal. Why these elements are rarely found as the metal? (Refer to the relative measurements tabulated in the form of electronegativities‚ ionization energies‚ or reduction potentials). These are due to the fact that their outer most orbital (ns1 valence electron configuration) has tendency to lose electron very easily and make stable configuration. The single valence electron is relatively far from the
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1.Compare and contrast the crystal structures and crystal chemistry of quartz α-FePO4 and β-FePO4 FePO4 is an extremely distinct quartz as its cation is a transition metal. It is often looked in depth at temperatures ranging from 294K to 1073K. When it is at a relatively low temperature‚ we see the quartz at α-FePO4. It takes on a tetrahedral shape. At higher temperatures‚ the α-FePO4 will transition to β-FePO4 and takes on an octahedral shape. Very importantly‚ the temperature at which this transition
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