5D(2) Chan Ka Wai 5D(9) Li Yin 5D(10) Li Yuet Ting 5D(20) Tam Pik Wan

USES OF SCANDIUM• aerospace components (Fig.1)

• athletic equipment (Fig. 2)

• Increase the strength of metal

• inhibits the oxidation

• inhibits the corrosion

• prevent  UV

Fig. 2

Fig. 1

Fig. 3

USES OF SCANDIUM• high-intensity lights• manufacture of fuel cells

• tent pole (Fig. 3, 4)

• frame of lightweight revolver

• tracing agent of oil refineries• produces high-index film layers

Fig. 4

COMPOUNDS• Scandium (III) chloride (Fig. 5)

• Hexahydrate (ScCl3•6H2O)

• Scandium(III) oxide, scandia (Sc2O3)

• Scandium triflate

• Scandium iodide (ScI3)

Fig. 5

Fig. 6 scandium compounds