Which row displays the properties of an element belonging to the same group in the Periodic Table as lithium?
- Ahigh electrical conductivity; density $0.97\ \text{g cm}^{-3}$
- Bhigh electrical conductivity; density $8.93\ \text{g cm}^{-3}$
- Clow electrical conductivity; density $0.07\ \text{g cm}^{-3}$
- Dlow electrical conductivity; density $3.12\ \text{g cm}^{-3}$