Lithium

lithium
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
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