Is gallium really 0 poisonous
Health Effects of Gallium - Environmental effects of gallium
|click Click here for a printable * .pdf version of Gallium.|
|molar mass||69.72 g mol -1|
|Electronegativity according to Pauling||1.8|
|Density at 20 ° C||5.1 g cm-3 at 20 ° C|
|Melting point||29.8 ° C|
|boiling point||2204 ° C|
|Atomic radius (Van der Waals)||0.161 nm|
|Ionic radius||0.083 nm (+3)|
|Electron configuration||[Ar] 3d10 4s24p1|
|Ionization energy of the 1st electron||578.6 kJ.mol -1|
|Ionization energy of the 2nd electron||1978.8 kJ.mol -1|
|Ionization energy of the 3rd electron||2389 kJ.mol -1|
|Ionization energy of the 4th electron||2962.3 kJ.mol -1|
|Standard potential||- 0.52V|
|history||1871 by D.I. Mendeleev; by P.- É. Lecoq de Boisbaudran discovered in 1875.|
Solid gallium is a blue-gray metal with an orthorhombic crystal structure. Gallium of great purity is silver in color. It is a solid at room temperature, but like mercury, cesium and rubidium, it becomes liquid when heated slowly. In solid form, it is soft enough to be cut with a knife. It is stable in water and air, but reacts or dissolves in acids and bases.
Gallium is an element that occurs in the body in very small quantities. For example, a person weighing 70 kilograms has about 0.7 milligrams of gallium in their body. If this amount of gallium were to be concentrated in a cube, the cube would only have an edge length of 0.49 millimeters.
Environmental effects of galliumGallium discussions relate to nuclear weapons and pollution. Gallium is used to hold some nuclear bombs together. If these fall apart, however, plutonium oxide powder is formed, which also contains gallium. This makes the plutonium unusable as a fuel because the gallium destroys some other elements. However, when the gallium is removed, the plutonium becomes useful again. The problem is that the process of removing the gallium entails a very large amount of radioactively contaminated water.
Gallium is an ideal element to use in the bomb pits, but pollution is harmful to the environment and human health.
Even efforts to decontaminate the contaminated water would fail because of the cost of the process. Scientists are working on a different method to clean up the plutonium, but this will take years of research.
Back to the periodic table of the elements
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