Potassium metal is far too reactive to be found uncombined in nature. The element is quite abundant and makes up about 1.5 % by weight of the earth's crust. Potassium is found extensively as potash (KOH).
The name Guyana is derived from Guiana, the original name for the region that formerly included Guyana (British Guiana), Suriname (Dutch Guiana), French Guiana, and parts of Colombia, Venezuela and Brazil.ith 215,000 square kilometres (83,000 sq mi), Guyana is the third-smallest country on mainland South America after Uruguay and Suriname. The region known as Guiana or Guyana comprised the large shield landmass north of the Amazon River and east of the Orinoco River known as the Land of many waters.
Guyana covers 214,970 square kilometers (83,000 square miles), making it slightly smaller than the U.S. state of Idaho. Approximately 196,850 square kilometers (76,000 square miles) of Guyana's area is land and 18,120 square kilometers (7,000 square miles) is water. The coastline of Guyana totals 459 kilometers (285 miles). The capital, Georgetown, is located on the coast.