Elements / 14
14Si28.085
Silicon
Metalloid · p-block · ring M · spoke 14
Silicon is element 14, a metalloid. It sits on ring M (period 3) on spoke 14, the carbon group. Follow that spoke toward the center and out again to find its chemical relatives.
Properties
| Density | 2.33 g/cm³ | Terrain → |
|---|---|---|
| Melting point | 1,687 K · 1,414 °C | Terrain → |
| Boiling point | 3,538 K · 3,265 °C | Terrain → |
| Electronegativity | 1.90 | Terrain → |
| First ionization energy | 787 kJ/mol | Terrain → |
| Atomic weight | 28.085 u | Terrain → |
| Crustal abundance | 282,000 ppm2nd most abundant in Earth's crust of 92 | Terrain → |
| Discovered | 1739 | 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
- Oddly, it contracts when it melts; Thomas Thomson gave it its present name in 1817, from the Latin for flint.
- Second only to oxygen in Earth's crust; it is the heart of computer chips, and a California tech valley is nicknamed after it.
Checked against en.wikipedia.org.
Spoke 14: Carbon group
Ring M (period 3)
Play with Silicon
Watch it fly into its seat, or raise the whole spiral into a landscape and see where it peaks.