27 lines
517 B
Plaintext
27 lines
517 B
Plaintext
[Global]
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Number=5
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ShortName=B
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CAS=7440-42-8
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Name=Boron
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Bloc=p
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Family=Metalloid
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Wikipedia=http://en.wikipedia.org/wiki/Boron
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[History]
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Year=1808
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Discoverer=Louis Joseph Gay-Lussac, Louis Jacques Thenard
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Etymology=Greek "beryllos" for "light-green stone"
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[Values]
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MeltingPoint=2349
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BoilingPoint=4200
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Mass=10.811
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CovalentRadius=84
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VanDerWaalsRadius=208
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ElectronicAffinity=0.279723
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Electronegativity=2.04
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ElectronicConf=[He] 2s2 2p1
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FirstIonistionEnergy=800.6
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SecondIonisationEnergy=2427.1
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ThirdIonisationEnergy=3659.7
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