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Gallium is a chemical element; it has the symbol Ga and atomic number 31. Discovered by the French chemist Paul-Émile Lecoq de Boisbaudran in 1875, [13] gallium is in group 13 of the periodic table and is similar to the other metals of the group (aluminium, indium, and thallium).
Gallium compounds are compounds containing the element gallium. These compounds are found primarily in the +3 oxidation state . The +1 oxidation state is also found in some compounds, although it is less common than it is for gallium's heavier congeners indium and thallium .
Gallium is a relatively rare element in the Earth's crust and is not found in as many minerals as its lighter homologues. Its abundance on the Earth is a mere 0.0018% (18 ppm). [ 41 ] Its production is very low compared to other elements, but has increased greatly over the years as extraction methods have improved.
Periodic table of the chemical elements showing the most or more commonly named sets of elements (in periodic tables), and a traditional dividing line between metals and nonmetals. The f-block actually fits between groups 2 and 3; it is usually shown at the foot of the table to save horizontal space.
Group 13 elements: boron (B), aluminium (Al), gallium (Ga), indium (In), thallium (Tl). Group 3 elements : scandium (Sc) and yttrium (Y) plus the lanthanide and actinide series elements. Biology
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