Gallium was discovered in Paris by Paul-Émile Lecoq de Boisbaudran in 1875. He observed a new violet line in the atomic spectrum of some zinc he had extracted from a sample of zinc blende ore (ZnS) from the Pyrenees. He knew it meant that an unknown element was present.
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For chemistry students and teachers: The tabular chart on the right is alphabethically listed. The first chemical element is Actinium and the last is Zirconium.
G · Gadolinium · Gallium · Germanium · Gold ...
Ga, Gallium, 31 ; Ge, Germanium, 32 ; Au, Gold, 79 ; Hf, Hafnium, 72 ...
Element Germanium (Ge), Group 14, Atomic Number 32, p-block, Mass 72.630. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and ...
Gallium is a chemical element; it has symbol Ga and atomic number 31. Discovered by the French chemist Paul-Émile Lecoq de Boisbaudran in 1875, gallium is ...
The Periodic Table of the Elements ; # = atomic number, mass = atomic mass (in g/mole) ; density = density (in g/ml), oxid #'s = most common oxidation numbers ; mp ...
Atomic number · Element symbol · Element name. 89, Ac, Actinium. 13, Al, Aluminium. 95, Am, Americium. 51, Sb, Antimony. 18, Ar, Argon. 33, As, Arsenic.
Interactive periodic table with up-to-date element property data collected from authoritative sources. Look up chemical element names, symbols, ...