Template:Lead infobox

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Thallium - Lead - Bismuth
Sn
Pb
Uuq  
 
 
Image:Pb-TableImage.png
General
Name, Symbol, Number Lead, Pb, 82
Chemical series Poor metals
Group, Period, Block 14(IVA), 6 , p
Density, Hardness 11340 kg/m3, 1.5
Appearance bluish white
Atomic properties
Standard atomic weight Note: not SI 207.2 u
Atomic radius (calc.) 180 (154) pm
Covalent radius 147 pm
van der Waals radius 202 pm
Electron configuration [Xe]4f14 5d10 6s2 6p2
e- 's per energy level 2, 8, 18, 32, 18, 4
Oxidation states (Oxide) 4, 2 (amphoteric)
Crystal structure Cubic face centered
Physical properties
State of matter Solid (diamagnetic)
Melting point 600.61 K (327.461 °C)
Boiling point 2022 K ( 1748.888°C)
Molar volume 18.26 ×10-6 m3/mol
Heat of vaporization 177.7 kJ/mol
Heat of fusion 4.799 kJ/mol
Vapor pressure 0.421 µPa at 600 K
Speed of sound 1260 m/s at 293.15 K
Miscellaneous
Electronegativity 2.33 (Pauling scale)
Specific heat capacity 129 J/(kg·K)
Electrical conductivity 4.81 MS/m
Thermal conductivity 35.3 W/(m·K)
1st ionization potential 715.6 kJ/mol
2nd ionization potential 1450.5 kJ/mol
3rd ionization potential 3081.5 kJ/mol
4th ionization potential 4083 kJ/mol
5th ionization potential 6640 kJ/mol
Most stable isotopes
{{Chemical Elements infobox isotope | Iso=202Pb | NA={syn.}| HL=52500 y| DM=Alpha
Epsilon| DE=not SI
2.598
0.050 | DP=198Hg
202Tl
iso NA half-life DM DE MeV DP
204Pb 1.4% >1.4 E17 y Alpha not SI
2.186
200Hg
205Pb {syn.} 1.53 E7 y Epsilon not SI
0.051
205Tl
206Pb 24.1% Pb is stable with 124 neutrons
207Pb 22.1% Pb is stable with 125 neutrons
208Pb 52.4% Pb is stable with 126 neutrons
210Pb {syn.} 22.3 y Alpha
Beta
not SI
3.792
0.064
206Hg
210Bi
SI units & STP are used except where noted.