Boron

Atomic symbol: B
Atomic number: 5
Atomic mass: 10.81

Appearance: silvery-black hard solid at 25°C

Group: 13
Period: 2
Series: Metalloids
Block: p
Electron configuration: 1s² 2s² 2p¹

Used as an additive in fibreglass insulation, structural materials, and in high strength polymers and ceramics.

Fun Fact! Boron is actually an essential micronutrient needed by the human body for many different metabolic processes including bone growth and wound healing. We obtain it through our diet from fruits, leafy vegetables, and nuts. Avocado and wine are two of the best sources!

https://en.wikipedia.org/wiki/Boron

Pizzorno, Lara. “Nothing Boring About Boron.” Integrative medicine (Encinitas, Calif.) vol. 14,4 (2015): 35-48.

Nielsen, Forrest H, and Curtiss D Eckhert. “Boron.” Advances in nutrition (Bethesda, Md.) vol. 11,2 (2020): 461-462. doi:10.1093/advances/nmz110