The table shows some data about three elements in Group I of the Periodic Table. Which row gives the melting point and density of rubidium?
- Amelting point $39\,^{\circ}\text{C}$, density $0.38\,\text{g cm}^{-3}$
- Bmelting point $39\,^{\circ}\text{C}$, density $1.53\,\text{g cm}^{-3}$
- Cmelting point $253\,^{\circ}\text{C}$, density $0.38\,\text{g cm}^{-3}$
- Dmelting point $253\,^{\circ}\text{C}$, density $1.53\,\text{g cm}^{-3}$