Elements / 82
82Pb207.2
Lead
Post-transition metal · p-block · ring P · spoke 14
Lead is element 82, a post-transition metal. It sits on ring P (period 6) on spoke 14, the carbon group. Follow that spoke toward the center and out again to find its chemical relatives.
Properties
| Density | 11.3 g/cm³ | Terrain → |
|---|---|---|
| Melting point | 601 K · 327 °C | Terrain → |
| Boiling point | 2,022 K · 1,749 °C | Terrain → |
| Electronegativity | 1.87 | Terrain → |
| First ionization energy | 716 kJ/mol | Terrain → |
| Atomic weight | 207.21 u | Terrain → |
| Crustal abundance | 14 ppm | Terrain → |
| Discovered | Known since antiquity | Terrain → |
Values from open reference data; see sources. "Terrain" opens that property as a 3D landscape across the whole spiral.
Two things you might not know
- The heaviest element whose natural isotopes are considered stable. Ancient Greek and Roman writers noted its toxicity.
- A soft, dense metal once added to automotive gasoline and long used in plumbing, batteries and construction.
Checked against en.wikipedia.org.
Spoke 14: Carbon group
Ring P (period 6)
Play with Lead
Watch it fly into its seat, or raise the whole spiral into a landscape and see where it peaks.