Neon vs Strontium
| Property | Ne Neon | Sr Strontium |
|---|---|---|
| Atomic number | 10 | 38 |
| Symbol | Ne | Sr |
| Name | Neon | Strontium |
| Category | noble-gas | alkaline-earth-metal |
| Standard Atomic Weight | 20.1797 u | 87.62 u |
| Period | 2 | 5 |
| Group | 18 | 2 |
| Block | p | s |
| Phase at STP | gas | solid |
| Electron configuration | [He]2s22p6 | [Kr]5s2 |
| Oxidation states | [0] | [1, 2] |
| Electronegativity (Pauling) | N/A | 0.95 |
| Electron affinity | -1.2 eV | 0.052 eV |
| Density | 0.8999 kg/m³ | 2640 kg/m³ |
| Melting point | -248.59 °C | 776.85 °C |
| Boiling point | -246.05 °C | 1381.85 °C |
| Discovery year | 1898 | 1792 |