| Element (atom) Name | Sodium |
| Symbol | Na |
| Physical state at room temperature | Solid |
| Element Classification | Metal |
| Group Name | Alkali Metal |
| Group number (Periodic table) | 1 |
| Period Number (Periodic table) | 3 |
| Atomic number | 11 |
| Atomic Weight | 22.98976928 (Ref: jlab-ele011, Ciaaw-sodium, Nist-element 1) 22.99 (Ref: lanl-11) |
| Atomic Radius | 227 pm (Van der Waals) (Ref: lanl-11 |
| Density | 0.97 g/cm3 (Ref: jlab-ele011) |
| Melting point | 97.80°C (Ref: jlab-ele011, lanl-11) |
| Boiling point | 883°C (Ref: jlab-ele011, lanl-11) |
| Electron Shell Configuration | 1s2 2s2 2p6 3s1 (Ref: jlab-ele011) |
| Oxidation States | +1 (Ref: jlab-ele011) |
| Ionization Energy | 5.139 eV (Ref: jlab-ele011) 5.13907696 eV (Nist-element 1) |
| Number of Stable Isotopes | 1 |
| InChI | 1S/Na (Pubchem-Sodium) |
| InChI Key | KEAYESYHFKHZAL-UHFFFAOYSA-N (Pubchem-Sodium) |
REFERENCES
- jlab-ele011: https://education.jlab.org/itselemental/ele011.html
- lanl-11 : https://periodic.lanl.gov/11.shtml
- Ciaaw-sodium : https://www.ciaaw.org/sodium.htm
- Nist-element 1: https://physics.nist.gov/cgi-bin/Elements/elInfo.pl?element=1
- Pubchem-Sodium : https://pubchem.ncbi.nlm.nih.gov/element/Sodium
Was this post helpful?
Let us know if you liked the post. That’s the only way we can improve.
21 thoughts on “Element: Sodium (Na)”