Boron is a chemical element with symbol B and atomic number 5. source
Boron is a chemical element with symbol B and atomic number 5.
Produced Boron entirely by cosmic ray spallation and supernovae and not by stellar nucleosynthesis. source
Produced Boron entirely by cosmic ray spallation and supernovae and not by stellar nucleosynthesis.
Boron is a low-abundance element in the Solar system and in the Earth's crust. source
Boron is a low-abundance element in the Solar system and in the Earth's crust.
Boron is concentrated on Earth by the water-solubility of its more common naturally occurring compounds, the borate minerals. source
Boron is concentrated on Earth by the water-solubility of its more common naturally occurring compounds, the borate minerals.
The largest known boron deposits are in Turkey, the largest producer of boron minerals. source
The largest known boron deposits are in Turkey, the largest producer of boron minerals.
Elemental boron is a metalloid that is found in small amounts in meteoroids. source
Elemental boron is a metalloid that is found in small amounts in meteoroids.
A chemically uncombined boron is not otherwise found naturally on Earth. source
A chemically uncombined boron is not otherwise found naturally on Earth.
Industrially, very pure boron is produced with difficulty because of refractory contamination by carbon or other elements. source
Industrially, very pure boron is produced with difficulty because of refractory contamination by carbon or other elements.
Several allotropes of boron exist: amorphous boron is a brown powder; crystalline boron is silvery to black, extremely hard (about 9.5 on the Mohs scale). source
Several allotropes of boron exist: amorphous boron is a brown powder; crystalline boron is silvery to black, extremely hard (about 9.5 on the Mohs scale).
The primary use of elemental boron is as boron filaments with applications similar to carbon fibers in some high-strength materials. source
The primary use of elemental boron is as boron filaments with applications similar to carbon fibers in some high-strength materials.
About half of all consumption globally, boron is used as an additive in glass fibers of boron-containing fiberglass for insulation and structural materials. source
About half of all consumption globally, boron is used as an additive in glass fibers of boron-containing fiberglass for insulation and structural materials.
Boron compounds are used as fertilizers in agriculture and in sodium perborate bleaches. source
Boron compounds are used as fertilizers in agriculture and in sodium perborate bleaches.
A small amount of boron is used as a dopant in semiconductors, and reagent intermediates in the synthesis of organic fine chemicals. source
A small amount of boron is used as a dopant in semiconductors, and reagent intermediates in the synthesis of organic fine chemicals.
Boron is involved in the metabolism of calcium in both plants and animals. source
Boron is involved in the metabolism of calcium in both plants and animals.
Natural boron is composed of two stable isotopes, one of which (boron-10) has a number of uses as a neutron-capturing agent. source
Natural boron is composed of two stable isotopes, one of which (boron-10) has a number of uses as a neutron-capturing agent.
A few boron-containing organic pharmaceuticals are used or are in study. source
A few boron-containing organic pharmaceuticals are used or are in study.