3 Li Lithium 6.941 u

Lithium

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आवर्त
2
समूह
1
ब्लॉक
s-ब्लॉक
अवस्था (STP)
Solid

Lithium is the lightest metal and the least dense solid element. It is widely used in rechargeable batteries and psychiatric medication.

दिखावट: Silvery-white

भौतिक गुण

परमाणु द्रव्यमान 6.941 u
घनत्व 0.534 g/cm³
गलनांक 180.5 °C
क्वथनांक 1329.8 °C
STP पर अवस्था Solid
परमाणु त्रिज्या 167.0 pm

इलेक्ट्रॉनिक गुण

विद्युतऋणात्मकता 0.98
आयनीकरण ऊर्जा 520.2 eV
इलेक्ट्रॉन आत्मीयता 59.6 eV
संयोजकता इलेक्ट्रॉन 1

इलेक्ट्रॉन विन्यास

विन्यास [He] 2s¹

Electron Shell Configuration

Lithium electron shell configuration Li 2e⁻ 1e⁻

Position in Periodic Table

Lithium position in the periodic table Li

खोज

द्वारा खोजा गया: Johan August Arfwedson
वर्ष: 1817

Compounds Containing Lithium

क्षार धातु में और

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Frequently Asked Questions

What is Lithium?
Lithium (Li) is a chemical element with atomic number 3. It is a solid at standard temperature and pressure, classified as a क्षार धातु.
What are the key properties of Lithium?
Lithium has an atomic mass of 6.941 u, density of 0.534 g/cm³, melting point of 180.5°C, boiling point of 1329.8°C.
What is the electron configuration of Lithium?
The electron configuration of Lithium is [He] 2s1. It is in the s-block of the periodic table.
Who discovered Lithium?
Lithium was discovered by Johan August Arfwedson in 1817.
What is the electronegativity of Lithium?
Lithium has an electronegativity of 0.98 on the Pauling scale.