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Lithium (Li)
Atomic number: 3 · Category: alkali metal · Group 1 · Period 2 · Phase: Solid
Lithium (from Greek:λίθος lithos, "stone") 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 mass: 6.94
Density: 0.534
Melting point: 453.65 K
Boiling point: 1603 K
Appearance: silvery-white
Source: Wikipedia
Block: s
Molar heat: 24.86
CPK color:#cc80ff
Electronic structure
Electron configuration: 1s2 2s1
Configuration (semantic): [He] 2s1
Shells: 2, 1
Electronegativity (Pauling): 0.98
Electron affinity: 59.6326
Ionization energies: 520.2, 7298.1, 11815
Periodic position
Group: 1
Period: 2
xpos: 1
ypos: 2
Spectral/Bohr images
Image
3D Model