The consecutive elements X, Y and Z are all in Period 3 of the Periodic Table. Of these three elements, Y has the greatest first ionisation energy and the smallest melting point. What are the identities of X, Y and Z?
- Asodium, magnesium, aluminium
- Bmagnesium, aluminium, silicon
- Caluminium, silicon, phosphorus
- Dsilicon, phosphorus, sulfur