Lithium

Parameter	Specification
Appearance	Silvery-white, soft metal
Texture	Soft, can be cut with a knife
Odor	Odorless
Color	Metallic silver (tarnishes to gray-black)
Density	0.534 g/cm³ (at 20°C)
Melting Point	180.5°C
Boiling Point	1,342°C
Atomic Number	3
Atomic Mass	6.94 u
Crystal Structure	Body-centered cubic (BCC)
Hardness (Mohs scale)	~0.6
Electrical Conductivity	10.8 × 10⁶ S/m
Thermal Conductivity	85 W/m·K
Reactivity	Highly reactive with water and air
Storage	Must be stored under oil or inert atmosphere

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