Boron (B) Properties and Facts

Element 5 - Metalloid

What are the basic properties of Boron?

Boron (symbol: B) is a metalloid with atomic number 5. Its atomic mass is 10.81 u, and it belongs to period 2 and group 13.

What is the electron configuration of Boron?

The electron configuration is: 1s² 2s² 2p¹

What are the physical properties of Boron?

Melting point: 2349.0 K
Boiling point: 4200.0 K
Density: 2.37 g/cm³

What are the known isotopes of Boron?

  • B-10: 19.9% abundance
  • B-11: 80.1% abundance

What is the biological role and occurrence of Boron?

Biological role: Essential for plant growth
Natural occurrence: Found in borax and other borate minerals

← Back to Periodic Table