Periodic Table of the Elements: Gallium

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Periodic Table of the Elements: Gallium
Atomic Number:31
Atomic Symbol:Ga
 Galliumgallium
, metallic chemical element; symbol Ga; at. no. 31; at. wt. 69.723; m.p. 29.78°C;; b.p. 2,403°C;; sp. gr. 5.904 at 29.6°C; (solid), 6.095 at 29.8°C; (liquid); valence +2 or +3. Solid gallium is a blue-gray metal with orthorhombic crystalline structure.
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Atomic Weight:69.723
Electron Configuration:2 · 8 · 18 · 3
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