Be | Z = 4 | ◊ ◊ ◊ ◊ ◊ |
Beryllium | |
From the Sanskrit "beryllos", meaning "a blue-green spar" | ||||
(AM) Atomic Mass | 9.01218 amu | ♦ | Oxidation States | +2 |
(BP) Boiling Point | 2970  °C | ♦ | (MP) Melting Point | 1278 °C |
(ρ) Density | 1.85 g/cm3 | ♦ | Crystal Structure | Hexagonal |
( χ ) Electronegativity | 1.5 | ♦ | (AR) Atomic Radius | 0.9  Å |
Physical State | Solid | ♦ | (C) Heat Capacity | 1.825 J/g °C |
Electronic-Config | 1s2  2s2  | ♦ | (I1) First Ionization E | 899.43 kJ/mol |
(ΔHvap) Heat of Vaporization | 297 kJ/mol | ♦ | (ΔHfus) Heat of Fusion | 7.895 kJ/mol |
Year of Discovery | 1797 | ♦ | Location of Discovery | France |
(E°) Standard Potential | Be2+⇔ Be (-1.847 V) | |||
Stable isotopes |  9Be | |||
Discovered/Synthesized by | Louis-Nicholas Vauquelin | |||
Natural Source | The mineral/ore bertrandite | |||
Common Uses | Non-sparking copper alloy tools, aerospace, X-Ray windows | |||
Other Info | Gives emeralds their green color It is ideal for space telescope mirrors |
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