Which set of elements, when in the solid state, contains exactly one element with a giant metallic lattice, one with a giant covalent lattice, and one with a simple molecular lattice?
Na\text{Na}Na, Mg\text{Mg}Mg, Si\text{Si}Si
Si\text{Si}Si, C\text{C}C (diamond), P4\text{P}_4P4
K\text{K}K, C\text{C}C (graphite), I2\text{I}_2I2
Cu\text{Cu}Cu, Fe\text{Fe}Fe, Na\text{Na}Na
