B
Boron
5
Atomic Number: 5
Atomic mass: 10.8118
Ionization energy: 801
Electronaffinity: -27
Covalent radius: 82
Calculated radius: 87
Empirical radius: 85
Vanderwaals radius:
Electronegativity: 2.04
Density: 2.46
Oxidation states: 1, 2, 3
Melting point: 2348
Boiling point: 4273
Electron configuration: [He] 2s2 2p1
Element group: 13
Element period: 2

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