5B

Boron

Metalloid

Properties of Boron

Atomic number (Z)
5
Symbol
B
Name
Boron
Atomic mass
10.811 u
Period
2
Group
13
Family
Boron group
Classification
Metalloid
Electron configuration
[He] 2s² 2p¹

About Boron

Boron is a chemical element with symbol B and atomic number 5 (atomic mass of about 10.811 u). It is classified as a metalloid on the periodic table.

On the periodic table, Boron is located in period 2, in group 13, belonging to the boron group family. An element's position reveals trends in its properties, such as atomic radius, electronegativity and metallic character.

The electron configuration of Boron is [He] 2s² 2p¹, which determines how it forms chemical bonds and takes part in reactions.

External references