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Periodic Table of Elements

 

02/05/09

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Periodic Table


B

Boron

Atomic Number 5

Atomic Symbol B

Name Boron
  Meaning Name derived from the Arabic word 'buraq' meaning 'white'

Group Metalloids

Atomic Weight 10.811

Density, g/cubic cm at STP  2.34

Melting Point, °C 2300

Boiling Point, °C, 1 atm 3927

Naturally Occurring Isotopes B-10, B-11

Discoverer Gay-Lussac and Thénard; Davy

Year 1808

Ionization Energy, eV 8.298

Configuration 1s2 2s2 2p

Description Lustrous black

   

 

References:

Holden, Norman E. (March 30, 2004). "History of the origin of the chemical elements and their discoverers." National Nuclear Data Center. Retrieved October 7, 2005 from http://www.nndc.bnl.gov/content/elements.html

"List of elements by boiling point." (September 22, 2005). Wikipedia. Retrieved October 9, 2005 from http://en.wikipedia.org/wiki/List_of_elements_by_boiling_point

"List of elements by density." (September 22, 2005). Wikipedia. Retrieved October 9, 2005 from http://en.wikipedia.org/wiki/List_of_elements_by_density

"List of elements by melting point." (September 22, 2005). Wikipedia. Retrieved October 9, 2005 from http://en.wikipedia.org/wiki/List_of_elements_by_melting_point

"NIST chemistry webBook." (2005). National Institute of Standards and Technology. Retrieved October 6, 2005 from http://webbook.nist.gov/chemistry/

Zucker, M.A.; Kishore, A. R.; Sukumar, R.; and Dragoset, R. A. (July 2005). "Elemental data index."  National Institute of Standards and Technology. Retrieved October 7, 2005 from http://physics.nist.gov/PhysRefData/Elements/cover.html

 


 

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This site was last updated 10/14/05