User:BassemNabawy

1)	Scandium (21Sc) Properties It is found in a very small amount spread on a large area in the earth`s crust. Uses I.	On adding a little amount of scandium to aluminum it gives light and very hard alloy used in manufacture of Mig fighter jets (military aircraft) II.	Added to Mercury vapor lamps to produce light with high quality looks like sun light, so it is used in TV Photography at night.