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Why You Should Invest in Precious Metals in 2021

He named this precious metal after "ruthenia", the Latin word for Klaus's home country Russia. 7. Rhenium - A team of German chemists, composed of Walter Noddack, Ida Tacke, and Otto Carl Berg, discovered rhenium in 1925. They discovered the element from platinum ore samples as well as from the mineral gadolinite. Like rhodium, palladium is largely used as a catalytic converter. As of January 2010, the price of this metal is estimated to be approximately USD424 per troy ounce (USD13,632 per kilogram). 4. Osmium - This element is represented by the symbol Os. Its atomic number is 76. It is found in nature as an alloy in platinum ores. While some accounts point to the year 1848 when gold was discovered in California, history tells us that this precious metal was already being used extensively by the ancient Egyptians, Romans, Greeks, Chinese, and South Americans. Throughout history, gold has served as a measure of value and a symbol of wealth. cm-3 Melting Point: 1964 C, 3567 F, 2237 K Boiling Point: 3695 C, 6683 F, 3968 K Heat of Fusion: 26.59 kJ.mol-1 Heat of Vaporization: 494 kJ.mol-1 Atomic: Oxidation States: 6, 5, 4, 3, 2, 1, -1 Electronegativity: 2.28 (Pauling scale) Atomic Radius: 134 picometre Covalent Radius: 142 7 picometre Ionization Energies: 719.7 kJ. Cupellation basically has two processes: large scale and small scale. Spectrometry: This method is best used to assay platinum bullion or stock. With the use of a spectrometer or spectrograph, the amount or concentration of a given substance is assessed. The substances are identified through the spectrum they absorb or emit. dollars, usually contain no less than 31 grams of gold. On the average (considering the consistent rise in the exchange rate of gold), the value of gold is around USD12 per gram. Here, it is clear that the currency value assigned by the government to a gold bullion coin has no meaning. Below is a list of some of the government-issued gold and silver bullion coins: 1. 

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