CSEC Chemistry · May/June 2008 · Paper 2 · Question 2(c)(iv)

Table 3 details reactions of compounds of Elements X and Y. The task is to deduce whether X and Y are metals or nonmetals based on this information.

Based on the information given in Table 3, arrange the elements Mg, X and Y in order of decreasing activity. Explain your answer.

This question uses a figure or table from the paper — you'll see it when you practise.