Today's puzzle

Elements / 25

25Mn54.938

Manganese

Transition metal · d-block · ring N · spoke 7

Manganese is element 25, a transition metal. It sits on ring N (period 4) on spoke 7. Follow that spoke toward the center and out again to find its chemical relatives.

HHeLiBeBCNOFNeNaMgAlSiPSClArKCaScTiVCrMnFeCoNiCuZnGaGeAsSeBrKrRbSrYZrNbMoTcRuRhPdAgCdInSnSbTeIXeCsBaLaCePrNdPmSmEuGdTbDyHoErTmYbLuHfTaWReOsIrPtAuHgTlPbBiPoAtRnFrRaAcThPaUNpPuAmCmBkCfEsFmMdNoLrRfDbSgBhHsMtDsRgCnNhFlMcLvTsOg119120

Properties

Density7.21 g/cm³Terrain →
Melting point1,519 K · 1,246 °CTerrain →
Boiling point2,334 K · 2,061 °CTerrain →
Electronegativity1.55Terrain →
First ionization energy717 kJ/molTerrain →
Atomic weight54.938 uTerrain →
Crustal abundance950 ppmTerrain →
Discovered1770Terrain →

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 dark dioxide has served as a pigment since Stone Age cave paintings; Gahn first isolated the metal in 1774.
  2. After metalworking, its largest use is in batteries. Its name traces to minerals from the Magnesia region of Greece.

Checked against americanelements.com.

Spoke 7

Ring N (period 4)

Play with Manganese

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