Today's puzzle

Elements / 32

32Ge72.630

Germanium

Metalloid · p-block · ring N · spoke 14

Germanium is element 32, a metalloid. It sits on ring N (period 4) on spoke 14, the carbon group. Follow that spoke toward the center and out again to find its chemical relatives.

HHeLiBeBCNOFNeNaMgAlSiPSClArKCaScTiVCrMnFeCoNiCuZnGaGeAsSeBrKrRbSrYZrNbMoTcRuRhPdAgCdInSnSbTeIXeCsBaLaCePrNdPmSmEuGdTbDyHoErTmYbLuHfTaWReOsIrPtAuHgTlPbBiPoAtRnFrRaAcThPaUNpPuAmCmBkCfEsFmMdNoLrRfDbSgBhHsMtDsRgCnNhFlMcLvTsOg119120

Properties

Density5.32 g/cm³Terrain →
Melting point1,211 K · 938 °CTerrain →
Boiling point3,106 K · 2,833 °CTerrain →
Electronegativity2.01Terrain →
First ionization energy762 kJ/molTerrain →
Atomic weight72.6308 uTerrain →
Crustal abundance1.5 ppmTerrain →
Discovered1886Terrain →

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

  1. Its discoverer first planned to call it neptunium, but dropped the idea because another proposed element already had that name.
  2. Found in 1886 in silver-rich argyrodite near Freiberg and named after its discoverer's homeland. Used in fiber optics.

Checked against en.wikipedia.org.

Spoke 14: Carbon group

Ring N (period 4)

Play with Germanium

Watch it fly into its seat, or raise the whole spiral into a landscape and see where it peaks.