Element Name: Boron
Atomic No.: 5
State (298 K): solid
Uses: bleach, fire proofing
Atomic Mass: 10.811 g/mol
Density: 2.34 g/cm
3
B.P.: 3931 K
F.P.: 2573 K
Electronic Configuration: 1s
2
2s
2
2p
1
Isotopes:
10
B 10.0129 amu (20.0%)
11
B 11.0093 amu (80.0%)
Radii: 88 pm (covalent)
Electronegativity: 2.04
Radius: 88 pm covalent
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