Lithium (Li)


Lithium (Li ) 6.941 (g/mol)

Latin name: Lithium

English name: Lithium

Year discovered: 1817

CAS Number: CAS7439-93-2

Discovered by: Johan August Arfwedson

Cost per 100 grams: 8.65 USD 

Electron shell: K2 L1 M0 N0 O0 P0 Q0 R0

Electrons: 3

Protons: 3

Neutrons: 4

Lithium is a chemical element with the symbol Li and atomic number 3. It is a soft, silver-white metal belonging to the alkali metal group of chemical elements. Under standard conditions it is the lightest metal and the least dense solid element.

Atomic number: 3

Atomic weight (Relative atomic mass): 6.941 (g/mol)

Density: 0.534 (g/cm³)

Melting point: 180.5°C   =   356.9°F   =   453.65K 

Boiling point: 1342.0°C   =   2447.6°F   =   1615.15K

Phase: Solid

Valence electrons: I

Period: 2

Group: IA

Block: s – block 

Crystal structure: Body-centered cubic

Grid parameters: 3.490 Å

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