Properties of metals — Chemistry 0620 IGCSE Question & Worked Solution

(a(i))[1]

Use the data in Table 5.1 to estimate the boiling point of sodium.

(a(ii))[1]

Use the information in Table 5.1 to estimate the atomic volume of rubidium.

(a(iii))[1]

Use the information in Table 5.1 to predict the observations when lithium reacts with water.

(a(iv))[2]

Use the information in Table 5.1 to predict the physical state of lithium at 1300^{\circ}C. Give a reason for your answer.

(b(i))[1]

Explain how this equation demonstrates that iron(III) oxide is reduced.

(b(ii))[1]

Choose the phrase that describes what (III) means in iron(III) oxide.

(b(iii))[2]

Complete the word equation for the thermal decomposition of calcium carbonate: calcium carbonate → ................. + .................

(c(i))[1]

Choose which diagram, A, B, C or D, in Fig. 5.1 best represents the structure of an alloy.

(c(ii))[1]

Give one reason why stainless steel is preferred to pure iron for cutlery.

(d)[2]

Arrange the four metals by reactivity. Start with the least reactive metal.

Properties of metals — practice question