The diagram displays elements W, X, Y and Z in part of the Periodic Table. Which statement about the reactivity of these elements is correct?
- AX is more reactive than Y, and W is more reactive than Z.
- BX is more reactive than Y, and Z is more reactive than W.
- CY is more reactive than X, and W is more reactive than Z.
- DY is more reactive than X, and Z is more reactive than W.