Online learning (week 3 in winter holiday)

The following contents you should learnt in week 3.

9.1 Properties of metals

9.2 Uses of metals

9.3 Alloys and their properties

9.4 Reactivity series

9.5 Corrosion of metals

After reading materials above, please complete the following exercise in 10 minutes, and this exercise can repeat by two times.

Please write your Chinese name

Exercise (week 3)

or scan the following QR code by smartphone.