Lead

Lead

Atomic number 82

Atomic weight 207.2

Discovery (year) Ancient

Atomic radius (A) 1.76

Melting point (^oC) 327.5

Boiling point (^oC) 1750

Density (g/cm³) 11.34

Specific heat (cal/g ^oC) 0.031

Ionization potential (eV) 7.416

Electron Affinity (eV) 1.1

Atomic number	82
Atomic weight	207.2
Discovery (year)	Ancient
Atomic radius (A)	1.76
Melting point (^oC)	327.5
Boiling point (^oC)	1750
Density (g/cm³)	11.34
Specific heat (cal/g ^oC)	0.031
Ionization potential (eV)	7.416
Electron Affinity (eV)	1.1