Atomic number 21
Atomic mass 44,956
Density, kg / m ? 3000
Temperature
melting, ° С 1539
Scandium is a moderately soft, light rare earth metal with a silvery color with a yellow sheen.
The element was discovered in 1879 year by the Swedish chemist Lars Nilsson. Nilsson named the element after Scandinavia.
Since the mid 60s. Scandium oxide is used in ferrites for memory elements of some types of high-speed computers. Scandium oxide is obtained during the complex processing of bauxite, tin, uranium, tungsten and titanium ores.