Home / Chemistry / What post-transition metal is used to make blue and violet light-emitting diodes (LEDs) and diode lasers?
What post-transition metal is used to make blue and violet light-emitting diodes (LEDs) and diode lasers?
Gallium is a chemical element with the symbol Ga and atomic number 31. Elemental gallium is a soft, silvery metal at standard temperature and pressure; however in its liquid state it becomes silvery white. If too much force is applied, the gallium may fracture conchoidally. It is in group 13 of the periodic table, and thus has similarities to the other metals of the group, aluminium, indium, and thallium.
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