Elements / 35
35Br79.904
Bromine
Halogen · p-block · ring N · spoke 17
Bromine is element 35, a halogen. It sits on ring N (period 4) on spoke 17, the halogens. Follow that spoke toward the center and out again to find its chemical relatives.
Properties
| Density | 3.1 g/cm³ | Terrain → |
|---|---|---|
| Melting point | 266 K · -7 °C | Terrain → |
| Boiling point | 332 K · 59 °C | Terrain → |
| Electronegativity | 2.966th most electronegative of 100 | Terrain → |
| First ionization energy | 1,140 kJ/mol | Terrain → |
| Atomic weight | 79.904 u | Terrain → |
| Crustal abundance | 2.4 ppm | Terrain → |
| Discovered | 1825 | 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
- Liebig observed it in 1825 but mistook it for iodine chloride. Balard found it in 1826 in seaweed ash from Montpellier's salt marshes.
- A volatile red-brown liquid at room temperature, named from the Greek for stench. Its biggest use is in flame retardants.
Checked against en.wikipedia.org.
Spoke 17: Halogens
Ring N (period 4)
Play with Bromine
Watch it fly into its seat, or raise the whole spiral into a landscape and see where it peaks.