5 B ATOMIC MASS 10.81

ELEMENT 5 · METALLOID

Boron (B)

Boron is a hard metalloid whose compounds contribute heat resistance, cleaning action, and neutron absorption.

Atomic number
5
Category
Metalloid
Period
2
Group
13
State
Solid

Fun facts about Boron

  • Borosilicate glass resists thermal shock better than ordinary soda-lime glass.
  • Boron-10 readily captures neutrons.
  • Plants require small amounts of boron for healthy growth.

Common uses of Boron

  • Borosilicate glass
  • Detergent compounds
  • Neutron-control materials

Where Boron sits in the periodic table

Boron is classified as a metalloid in period 2 and group 13 of the periodic table. Under the conditions represented in this reference, its state is solid.

Quick chemistry revision

For quick revision, pair the symbol B with atomic number 5 and the listed atomic mass 10.81. The summary, facts, and uses above keep those element properties together in one reference.