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Basic Information
Name: Lithium
Symbol: Li
Atomic Number: 3
Atomic Mass: 6.941 amu
Melting Point: 180.54 °C (453.69 °K, 356.972 °F)
Boiling Point: 1347.0 °C (1620.15 °K, 2456.6 °F)
Number of Protons/Electrons: 3
Number of Neutrons: 4
Classification: Alkali Metal
Crystal Structure: Cubic
Density @ 293 K: 0.53 g/cm3
Color: silvery
Atomic Structure
![[Bohr Model of Lithium]](Chemical Elements_com - Lithium (Li)_files/b0003.gif) |
Number of Energy Levels: 2 First Energy Level: 2 Second Energy Level: 1 |
Isotopes
| Isotope | Half Life |
| Li-6 | Stable |
| Li-7 | Stable |
Facts
Date of Discovery: 1817
Discoverer: Johann Arfvedson
Name Origin: From the Greek word lithos (stone)
Uses: batteries, ceramics, lubricants
Obtained From: passing electric charge through melted lithium chloride, spodumene