Boron

Atomic number: 5

Symbol: B

Category: metalloid

Density at 25°C: solid, varies from 2.35 to2.52

5th in line of the elements, boron is quite a rare element and only exists on Earth naturally as combined in the minerals like borate. It's a metalloid because it really struggles with having all the properties of metal, it doesn't conduct very well for example but it's still kind of shiny.

125px-Bor_1.jpg

Boron comes in various forms like carbon does. image: wikipedia


Use, natural applications or common combinations: 

  • in some microchips
  • bleaches, keeps away bugs


Basic characteristics:

  • Standard atomic weight: [10.806, 10.821]
  • Melting point: 2076 °C
  • Boiling point: 3927 °C
  • Radioactivity: none