How do you know Gold
It can be distinguished Gold Gold is a gold and precious metals, which have been known for thousands of years, and can exist freely in nature, or mixed with other elements, a glossy and heavy element, and a softer metal, found in rivers and rock deposits. Gold retains its value because it affects the monetary policy, the global economy depends mostly on gold prices up and down. Gold is one of the months metals used in the jewelry industry, and used women for decoration through the ages, and is synthesized and handle it in the form of ingots, a mass of
pure gold, which are fused to manufacturing in the form of different jewelry process. And classify gold as caliber, and calculates caliber by the proportion of gold compared with other metals that make up the ornaments; where the proportion of gold if the caliber 24 is high compared to the 18 carat gold; because the blended metals ratio with gold be larger, and thus the price of a gram gold 24 It went over 18. how to tell gold metal can be sure of gold metal by: the existence of the stamp: a label be located on a piece carat gold. The use of the magnet: It can tell if gold adulterated or not by the magnet; where Enkerb magnet of gold if gold was attracted to the magnet it has a ratio of iron. This is one quick and easy ways to detect fraud gold. You can use vinegar; where it is put a piece of gold in the vinegar if turning gold color to black is not gold; because gold does not react with the elements and acids. Use of nitric acid; where it has the ability to solve the metals, but gold does not dissolve in this acid got the erosion it is not gold, but our stomachs least. Rub a piece of gold plank Ceramics; if not leave a color is gold, but if the emulator it leaves an impact on ceramics because his gold yellow shiny, and when rubbing a piece of gold ceramic and the appearance of dark yellow will be seen that piece of gold mixed with copper, so the piece of gold to be adulterated. Uses gold gold used for thousands of years in the instrument of the coin; because gold material has a high value, and are used in financial transactions so long ago. Gold is widely used in the electronics industry, because of the important characteristics that enjoys such as: the ability to connect the power supply with high efficiency, high corrosion resistance, making it ideal for devices that are characterized by low volts such as mobile phones, television, and connecting wires. Gold is used in the computer hardware industry because of its ability to excellent conductivity. Gold is used in dentistry; because of inert ingredients, and because of the ease of dealing with him, and composition in the use of cosmetic fillers
What is the melting point of gold?
The melting point of gold is 1064 ° C, a high temperature need special stoves to be melted down and used in other industries.
Kdla have this precious metal is prized worldwide, Valeoranyum, platinum and some types of precious stones are more expensive of it, however, remained throughout history is the most appropriate things to treasure wealth
Gold-called Latin Aurum (and including the chemical symbol AU) and the Latin word means (dawn or sunrise).
Gold has occupied various top Bmudallullach known the importance of minerals, it is noble and rare metal and has a ravishing glamor, sparkle and charm is not the secret of its importance to the high cost of extraction and the difficulty of acquiring it.
And more than one angle can be seen because of its importance. For men to the economy, the gold is the basis for the stability of the currency, international trade and the source for the prosperity of nations. For the veil and researchers is invaluable
treasure, and thieves and criminals, everything is cheap in front of him even murder, and for women Accessories boast fights out Grimadtha, solid-Qaeda and governments that establish economic power
Gold has been used through the ages in coins and ornaments, then took it determines the v
