Difference between revisions of "Boron"

From Lunarpedia
Jump to: navigation, search
 
(No difference)

Latest revision as of 16:00, 10 February 2007

Boron
B
In situ availability:
Necessity:
Atomic number: 5
Atomic mass: 10.811
group: 13
period: 2
normal phase: Solid
series: Metalloids
density: 2.34 g/cm3
melting point: 2349K,
2076°C,
3769°F
boiling point: 4200K,
3927°C,
7101°F)
N/AN/AN/A
Be ← B → C
N/AAlSi
Atomic radius (pm): 85
Bohr radius (pm): 87
Covalent radius (pm): 82
Van der Waals radius (pm):
ionic radius (pm): -
1st ion potential (eV): 8.30
Electron Configuration
1s2
2s2 2p1
Electrons Per Shell
2, 3
Electronegativity: 2.04
Electron Affinity: 0.28
Oxidation states: 3
Magnetism: Nonmagnetic
Crystal structure: Rhombohedral

Boron is a Metalloid in group 13. It has a Rhombohedral crystalline structure. This element has two stable isotopes: 10 and 11.




This article is an automatically generated stub. As such it may contain serious errors.
You can help Lunarpedia by expanding or correcting it.