| Content-Type | image/png |
|---|---|
| Content-Length | 4.76 kB |
| Size | 512x512 |
#11 Sodium - rarity ZERO-KELVIN
| 1st ionization energy | 5.139 eV | 0.85% |
|---|---|---|
| appearance | Silvery white | 6.78% |
| atomic mass | 22.990 u | 0.85% |
| atomic number | 11 | 0.85% |
| atomic radius | 227 picometers (van der Waals radius) | 1.69% |
| boiling point | 1156 K or 882.9 °C or 1621.2 °F | 0.85% |
| cas number | 7440-23-5 | 0.85% |
| cas number of (cl2) | - | 99.15% |
| category | Alkali metals | 5.08% |
| crystal structure | BCC (Body Centered Cubic) | 4.24% |
| density | 0.97 g/cm3 | 0.85% |
| electronegativity | 0.93 (Pauling scale) | 0.85% |
| electronic configuration | [Ne] 3s1 | 0.85% |
| electrons | 11 | 0.85% |
| electrons arrangement | 2, 8, 1 | 0.85% |
| main isotopes | 23Na | 0.85% |
| melting point | 370.9 K or 97.7 °C or 208 °F | 0.85% |
| neutrons | 12 | 1.69% |
| position | Group: 1, Period: 3, Block: s | 0.85% |
| rarity | ZERO-KELVIN | 33.33% |
| state | Solid | 72.88% |
| sublimation point | - | 99.15% |
| symbol | Na | 0.85% |
| valence electrons | 1 | 5.93% |
| who discovered | Sir Humphry Davy in 1807 | 0.85% |
Total Rarity Score: 1969.26
Rarity: #54/354