| Formula / Notation | Na |
|---|---|
| CAS Number | 7440-23-5 |
| Molecular Weight | 22.99 |
| Melting Point | 97.8 |
| Boiling Point | 883.0 |
| Density | 0.97 |
| Solubility | Reacts vigorously with water |
| Appearance | Soft, silvery-white metal; rapidly tarnishes in air |
| Also Known As | Na, natrium, sodium metal |
| Category | Elements |
What is Sodium?
Sodium is a soft, silvery-white alkali metal, atomic number 11. Highly reactive with water. Essential for life - regulates fluid balance and nerve impulses. Sixth most abundant element in Earth crust.
Formula & Notation
IUPAC Name: Sodium
Other Names / Synonyms: Na, natrium, sodium metal
Properties & Characteristics
Physical Data
| Property | Value |
|---|---|
| Melting Point | 97.8 |
| Boiling Point | 883.0 |
| Density | 0.97 |
| Molecular Weight | 22.99 |
| Solubility | Reacts vigorously with water |
| Appearance | Soft, silvery-white metal; rapidly tarnishes in air |
Uses & Applications
Safety Information
Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.
Key Facts
Frequently Asked Questions
Sodium is a soft, silvery-white alkali metal, atomic number 11. Highly reactive with water. Essential for life - regulates fluid balance and nerve impulses. Sixth most abundant element in Earth crust.
NaOH production (chloralkali process). Table salt (NaCl). Reducing agent in organic synthesis. Nuclear reactor coolant (liquid Na). Sodium vapour street lighting. Soda ash (Na2CO3) for glass. Biological electrolyte.
Reacts violently with water: 2Na + 2H2O -> 2NaOH + H2 (fire/explosion). Ignites spontaneously in moist air. Store under mineral oil or inert gas. Causes severe burns on contact with skin/moisture.
The formula or notation for Sodium is: Na