The atomic number of 45 belongs to the element rhodium which is derived from the Greek word Rhodon meaning rose. It was first discovered in 1803 by William Hyde Wollaston, an English chemist. it is known as one of the PGM (platinum-group metals). Canada, Russia and south Africa are one of the top three producers of rhodium as south Africa as main exporter. It is usually found together with other PGMs as ores mined in its reserves. People who love jewelries are often attracted to the rarity of this metal. Rhodium is 100 times more rare than gold which itself is rare. It is about one fifth of gold that is in the earth’s crust. This rarity makes this metal one of the most expensive metals or earth, ranging about $756 per troy ounces. Almost 85%
