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| | [[Category:Metals]] | | [[Category:Metals]] |
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| | + | '''Gallium''' is a silvery-white metal used in high-speed semiconductors and [[LED]]s in the form of gallium arsenide (GaAs). The pure metal is somewhat brittle, and has a very low melting point of 29.78° [[Celsius]] (85.2° [[Fahrenheit]]). It will melt in your hand if held long enough, but this is not recommended because it stains hands and is difficult to get off. |
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| − | Gallium is a silvery-white metal used in high-speed semiconductors and LEDs in the form of gallium arsenide (GaAs). The pure metal is somewhat brittle, has a very low melting point of 29.78° Celsius (85.2° Fahrenheit). It will melt in your hand if held long enough, but this is not recommended because it stains hands and is difficult to get off.
| + | == Uses == |
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| − | It is used in some thermometers in the form of an alloy of gallium, indium, and tin. The reason this alloy is used in thermometers is because it’s a liquid at room temperature and therefore can be used as an alternative to mercury, which is poisonous. | + | |
| | + | It is used in some thermometers in the form of an alloy of gallium, [[indium]], and [[tin]]. The reason this alloy is used in thermometers is because it’s a liquid at room temperature and therefore can be used as an alternative to [[mercury (element)]], which is poisonous. |
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| | + | {{Periodic table}} |