Zinc, in commerce also spelter, is a chemical element; it has the symbol Zn and atomic number 30. It is the first element of group 12 of the periodic table. Zinc is, in some respects, chemically similar to magnesium, because its ion is of similar size and its only common oxidation state is 2. Zinc is the 24th most abundant element in the Earth's crust and has five stable . The most common zinc ore is sphalerite (zinc blende), a zinc sulfide mineral. The largest mineable amounts are found in Australia, A..
Copper is a chemical element with the symbol Cu (from cuprum) and atomic number 29. It is a ductile metal with very high thermal and electrical conductivity. Pure copper is soft and malleable; a freshly exposed surface has a reddish-orange color. It is used as a conductor of heat and electricity, a building material, and a constituent of various metal .
The Emirate of Transjordan (إمارة شرق الأردن '), also hyphenated as Trans-Jordan and previously known as Transjordania or Trans-Jordania''', was a British protectorate established in April 1921. There were many urban settlements beyond the Jordan River, one in Al-Salt city and at that time the largest urban settlement east of the Jordan River. There was also a small Circassians community in Amman. ξ1 http://www.roughguides.com/destinations/middle-east/jordan/amman/circassians/
