DOWNLOADED FROM WWW.STUDIESTODAY.COM DOWNLOADED FROM WWW.STUDIESTODAY.COM d – AND f – BLOCK ELEMENTS Electronic Configuration of Transition Metal/Ions The d-block element is called transition metal if it has partly filled d-orbitals in the ground state as well as in its oxidised state. The general electronic configuration of transition metal is (n–1) d1–10ns1–2. Exceptions in electronic configuration are due to (a) very little engery difference between (n–1) d and ns orbitals and (b) extra stability
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failure of the metal at this location. This type of failure can also ocur as the metal is pulled over a sharp die corner. Earing. This is the formation of irregularities (called ears) in the upper edge of a deep drawn cup‚ caused by anisotropy in the sheet metal. If the material is perfectly isotropic‚ ears do not form. Surface Scratches. Surface scratches can ocur on the drawn parti f the punch and die are not smooth or if lubrication is insufficient. 2) In V-bending‚ the sheet metal is bent between
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“Strategy for growing mmtc precious metals retail trade globalLy” | MMTC LtdA GOVT OF INDIA ENTERPRISE | BULLION TRADE | Submitted To:>MMTC (Precious metal division) | By ::- Saurabh Agrawal | 7/14/2012 | MFT ROLL : :- 26 A detailed analysis of bullion trade and tactics for growing globally to be adopted. | B.H.U FACULTY OF COMMERCE M.F.T 2012-13 DECLARATION I Saurabh Agrawal‚ hereby declare‚ that the report entitled “Strategies of MMTC for
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most passionate and innovative game directors that has ever set foot upon the video game industry. Gamers all over the world acknowledge him to be the father of several successful franchises such as Policenauts‚ Zone of the Enders and most notably Metal Gear. But what sets this man apart from other developers‚ is the unique application of cinematic and profound storytelling techniques to many of his most influential games. As a result‚ he was able deliver more than just an entertaining‚ immersive
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Silver Wheaton (SLW) The precious metal sector has been in trouble since the last one year. Although the downtrend is continuing since a very long time‚ the new lows that silver price has made this year are not found anywhere else on the five year chart. It was only during the 2 years after the 2008 crisis when silver last achieved these levels. We can clearly see that like many companies whose fortunes are tied to a particular metal‚ Silver Wheaton’s stock price generally follows the price of
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Electron Configuration Patterns WE CANNOT KNOW THE EXACT LOCATIONS OF ELECTRONS WITHIN ENERGY LEVELS‚ BUT WE CAN DESCRIBE PROBABLE REGIONS OF ELECTRON LOCATION. Our understanding of electron distribution is based on mathematical probabilities that result from knowledge about the behavior of charged particles in an atom: |a) | | |b) |
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Location on the periodic table: -Transition Metals section. -10th group/family. -5th period. History of element: -It’s difficult to assign credit for the discovery. Ulloa 1735 (in South America)‚ Wood in 1741‚ Julius Scaliger in 1735 (Italy) all can make claims. Platinum was used in relatively pure form by the pre-Columbian Indians. -The first mention for Platinum is found in description of Italian humanist Julius Caesar Scaliger as mentioned a noble white metal found in Darien and Mexico. -Past uses:
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machinery. This machine is used in factories for preparing metal sheets. Before moving ahead‚ you must know what metal is? Well metal is an electropositive element having shiny surface and is good conductors of heat and electricity and can be melted or fused into any shape you want by heating it on a high temperature. Metal sheets are made by passing the material between the rollers. It is used for different purposes such as nail making‚ metal or steel sheets. This machine is categorized into two parts:
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July 9‚ 2012 The price of gold increased very rapidly in the last few years. Many bullion traders bet that gold will continue to rise in the years to follow and thus maintain their long position. In light of the recent developments in the precious metals markets let’s examine what are the main factors that are affecting the prices of gold. Further what could induce gold prices to resume their upward trend of the past few years? I think if we were to ask each
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Palladium: Palladium is a rare and lustrous silvery-white metal that was discovered by William Hyde Wollaston in 1803. It belongs to the Platinum Group of Metals (PGM). Benefits of Palladium: It has the lowest melting point and density among the PGM It has a high resistance to oxidation and corrosion It does not tarnish in air It has superior catalytic properties due to the fact that it has the astounding capability to absorb hydrogen gas at a rate of 900 times its own volume. When it is annealed
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