सोडियम
11
Na
समूह
1
आवर्त
3
ब्लॉक
s
प्रोटॉन
इलेक्ट्रॉन्स
न्यूट्रॉन
11
11
12
सामान्य गुण
परमाणु संख्या
11
परमाणु भार
22.98976928
द्रव्यमान संख्या
23
श्रेणी
क्षारीय धातुएँ
रंग
रजत
रेडियोधर्मी
नहीं
अंग्रेजी शब्द सोडा से; मध्यकालीन लैटिन में सोडानम: एक सिरदर्द की औषधि
क्रिस्टल की संरचना
शरीर केंद्रित घन
इतिहास
The chemical abbreviation for sodium was first published by Jöns Jakob Berzelius in his system of atomic symbols.
It is a contraction of the element's new Latin name natrium, which refers to the Egyptian natron, a natural mineral salt primarily made of hydrated sodium carbonate.
In 1807, Sir Humphry Davy isolated sodium for the first time by electrolysis of dried sodium hydroxide, which had been very slightly moistened.
It is a contraction of the element's new Latin name natrium, which refers to the Egyptian natron, a natural mineral salt primarily made of hydrated sodium carbonate.
In 1807, Sir Humphry Davy isolated sodium for the first time by electrolysis of dried sodium hydroxide, which had been very slightly moistened.
इलेक्ट्रॉन प्रति शेल
2, 8, 1
इलेक्ट्रॉन कॉन्फिगरेशन
[Ne] 3s1
Sodium burns in air with a brilliant yellow flame
भौतिक गुण
अवस्था
ठोस
घनत्व
0.971 g/cm3
गलनांक
370.87 K | 97.72 °C | 207.9 °F
क्वथनांक
1156.15 K | 883 °C | 1621.4 °F
विलय ऊष्मा
2.6 कि.जूल/मोल
वाष्पीकरण ऊष्मा
97.7 कि.जूल/मोल
विशिष्ट ऊष्मा क्षमता
1.228 जूल/ग्राम•केल्विन
पृथ्वी की पपड़ी में प्रचुरता
2.3%
ब्रह्मांड में प्रचुरता
0.002%
सी ए एस संख्या
7440-23-5
PubChem सी.आई.डी. संख्या
5360545
परमाण्विक गुण
परमाणु का त्रिज्या
186 pm
संयोजी त्रिज्या
166 pm
इलेक्ट्रोनेगेटिविटी
0.93 (पाइलिंग पैमाना)
आयनीकरण ऊर्जाएं
5.1391 eV
परमाणु आयतन
23.7 से.मी.३/मोल
तापीय चालकता
1.41 W/cm·K
ऑक्सीकरण स्थितियां
-1, 1
उपयोग
Metallic sodium is vital in the manufacture of esters and in the preparation of organic compounds.
Sodium vapor lamps are often used for street lighting in cities.
Liquid sodium is used as a heat transfer fluid in some fast reactors.
Sodium is also used as an alloying metal, an anti-scaling agent, and as a reducing agent for metals when other materials are ineffective.
Sodium vapor lamps are often used for street lighting in cities.
Liquid sodium is used as a heat transfer fluid in some fast reactors.
Sodium is also used as an alloying metal, an anti-scaling agent, and as a reducing agent for metals when other materials are ineffective.
Sodium metal should be handled with great care as it cannot be maintained in an inert atmosphere
समस्थानिक
स्थिर आइसोटोप
23Naअस्थिर समस्थानिक
18Na, 19Na, 20Na, 21Na, 22Na, 24Na, 25Na, 26Na, 27Na, 28Na, 29Na, 30Na, 31Na, 32Na, 33Na, 34Na, 35Na, 36Na, 37Na