Boron (B) has atomic number 5 and is classified as a metalloid. It sits in Group 13, period 2 of the periodic table. Its practical relevance includes borosilicate glass, boron carbide, detergents, nuclear control materials and semiconductor doping.
ELEMENT DATA
Quick facts
#Atomic number5
AaSymbolB Relative
◉Atomic mass10.81 State at room temperature Solid
⌘Group13
Position in the periodic table
Metalloids sit near the boundary between metals and nonmetals. Their intermediate electrical and chemical behavior makes several of them especially important in semiconductors, glass, ceramics and electronic materials.
Boron belongs to period 2. Its position helps explain recurring trends such as atomic size, bonding behavior, oxidation states and the way it interacts with neighboring elements.
Why Boron matters
In engineering and technology, boron is associated with borosilicate glass, boron carbide, detergents, nuclear control materials and semiconductor doping. The importance of the element may come from the pure element itself, from compounds containing it, or from its role as an alloying, electronic, catalytic or nuclear material.
Engineering and scientific context
Material behavior should never be inferred from the element name alone. Purity, isotope composition, crystal structure, processing history, temperature and the surrounding chemical environment can all change performance. In alloys and compounds, the contribution of boron depends on concentration and interaction with the other constituents.
Safety and handling
The hazards associated with Boron depend on its physical form, purity, compounds, process temperature and exposure route. Engineering decisions should use the applicable safety data sheet and project-specific risk assessment.
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