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Name
Atomic Number
Atomic Mass
Electron Configuration
Number of Neutrons
Melting Point
Boiling Point
Date of Discovery
Crystal Structure
Element Groups:
Alkali Metals
Alkaline Earth Metals
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Basic Information | Atomic Structure | Isotopes | Related Links | Citing This Page
Basic Information
Name: Boron
Symbol: B
Atomic Number: 5
Atomic Mass: 10.811 amu
Melting Point: 2300.0 °C (2573.15 K, 4172.0 °F)
Boiling Point: 2550.0 °C (2823.15 K, 4622.0 °F)
Number of Protons/Electrons: 5
Number of Neutrons: 6
Classification: Metalloid
Crystal Structure: Rhombohedral
Density @ 293 K: 2.34 g/cm3
Color: brownish
Atomic Structure
![[Bohr Model of Boron]](../bohr/b0005.gif) |
Number of Energy Levels: 2 First Energy Level: 2 Second Energy Level: 3 |
Isotopes
| Isotope | Half Life |
| B-10 | Stable |
| B-11 | Stable |
Facts
Date of Discovery: 1808
Discoverer: Sir Humphry Davy, J.L Gay-Lussac
Name Origin: From borax and carbon
Uses: heat resistant alloys
Obtained From: kernite
Related Links
Note: The external links below are not a part of this site and their content is not the responsibility of this site- The mineral borax
- Commercial Site Containing Information about the Source of Boron
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Bentor, Yinon. Chemical Element.com - Boron. <http://www.chemicalelements.com/elements/b.html>.
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