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Definition of gold
Gold or in English (Gold): It is one of the important and very valuable metallic chemical elements. Among its general characteristics: It carries the symbol (Au), the atomic number (79), and its color is yellow, and is characterized by luster, softness, and softness, and it is also characterized by a high density that surpasses many other minerals, and gold is one of the most precious and beautiful minerals. When it is in its natural state in the form of powder or crumbs, it is called (dust), and the same is true for silver, where silver when it is in its natural state in the form of powder or crumbs is called (dust).
Gold's position in the periodic table of the elements
Gold is the third element of the eleventh group of elements located in the middle of the periodic table of elements approximately, and it is closest to the right side of the periodic table, and this group is one of the groups of transition metallic elements, and this group belongs to elements other than gold, namely: silver (Ag ), Copper (Cu), and rontgenium (Rg).
The uses of gold, and where it is found in nature
Gold is one of the precious and rare elements, and gold is found in nature in the form of granules or crumbs, where it is called in this case (dust), or it may exist in the form of nuggets or large lumps, and the places where it is found: rocks, sand and gravel in the bottoms of rivers. Also in the ground, when gold is discovered, either it is pure pure, or it is mixed with some other minerals, as it is often discovered mixed with copper or lead.
Gold has many uses, as it is used in the manufacture of jewelry and precious jewelry, and gold also has some medicinal uses, and it was in ancient times that he and silver were used to mint money.
How was gold discovered
Man has discovered many minerals since ancient times, including: gold, silver, iron, and copper. Gold is one of the first minerals known to man in the early stages of human history, and some historians say that man has discovered it in the Neolithic era that It began in the year 10,200 BC. It is not known how a person discovered gold, and perhaps he discovered it by accident.
Gold has been famous for many historical human civilizations, including: the Pharaonic civilization that was established in Egypt. The Pharaohs knew gold, and they dug many mines and extracted it from them, and then manufactured and shaped it, and introduced it into many industries, and from other ancient human civilizations that Best-known use of gold: the Mesopotamian civilization in Iraq.
