Element description: Silver-white metal. The density is 5.904 g/cm3. The temperature of 29.78 ° C. The boiling point is 2403 ° C. Valence 2 and 3. The first ionization energy is 5.999 eV. The freezing point is very low. Due to the complex structure of stable solids, pure liquids have a significant tendency to be too cold and can be placed in an ice bath for a few days without crystallization. It is soft and brittle and stable in the air. Heating is soluble in acids and bases; it reacts violently with boiling water, but only slightly reacts with water at room temperature. It can work with most metals at high temperatures. When converted from liquid to solid, the expansion ratio is 3.1% and should be stored in a plastic container. Element source: It expands during solidification, usually as a by-product of the aluminum extraction from bauxite or extracting zinc from zinc ore often obtained in trace amounts in nature, or dispersed in the aluminum ore, sphalerite ore. Made from bauxite extraction. Element use: It is used to make optical glass, vacuum tubes, and semiconductor materials. A quartz thermometer can be installed to measure high temperatures. A heat treatable alloy can be obtained by adding aluminum. Alloys of gallium and gold are used in decorative and dental implants. Also used as a catalyst for organic synthesis. Can be used in the semiconductor industry, light emitting diode and a gallium arsenide laser diode. Elemental auxiliary materials: In the process of establishing the chemical element cycle system, elements with similar properties have become accepted by chemists. At the time, the French chemist Bois Bundrand discovered by spectroscopic analysis that in the aluminum group, there was a missing element between aluminum and indium . Since 1865, he has used spectroscopes to find this element and analyzed many minerals, but none of them succeeded. Until September 1875, Bois Bundrand performed a set of experiments in front of French chemists to prove the existence of new elements. At that time, the proportion of new elements measured by Bois Bundan was 4.7, and Mendeleev's proportion based on the elemental cycle system should be 5.9-6. Bois Bundrand has re-measured this new element, confirming that the weight should be 5.96. He named the substance gallium and the element symbol was Ga. The discovery of gallium is not only a discovery of a chemical element, but its discovery has led scientists to pay attention to the elemental cycle system established by Mendeleev, so that the cycle of chemical elements is praised and recognized. The nature of gallium It has a large liquid range and is one of three liquid metals (grain, strontium , mercury ) under human body temperature. The phenomenon of supercooling during solidification is remarkable, and it can remain liquid for a long time below the solid phase point. It is characterized in that the density of the non-functional liquid is higher than the solid density, and the volume expands when solidified. It has good superconducting properties at low temperatures, and the resistance is almost equal to zero at approximately -273 °C. Gallium is soft and malleable. The chemical properties are similar to those of aluminum, zinc and strontium , and can be dissolved in nitric acid, aqua regia and alkali solution. Gallium content in the crust than antimony, silver, bismuth, tungsten and molybdenum, and often aluminum, zinc, germanium intergrowth no independent deposit. Gallium is high in mineral vermiculite, and bauxite and sphalerite also contain small amounts of gallium. At present, the circulating mother liquor in alumina production is the main raw material for extracting gallium. Welcome to our product category dedicated to 4 wheel Electric Scooters, the ultimate mobility solution for individuals seeking stability, comfort, and independence. At our company, we specialize in designing and manufacturing high-quality medical devices, and our 4 wheel electric scooters are specifically crafted to cater to the unique needs of individuals with limited mobility. With their advanced features and impeccable design, our scooters provide a safe and reliable means of transportation for users of all ages. 4 Wheel Electric Scooter,Best 4 Wheel Electric Scooter,4 Wheel Electric Scooter Stand Up,4 Wheel Electric Scooter All Terrain Ningbo Baichen Medical Devices CO.,ltd , https://www.bcmobilityscooter.com
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