Lithium is only one fifth of the weight of the same volume of aluminum and one-half of the water. Lithium can not only float on the water, but even float on kerosene. If a plane is made of lithium, two people can lift it!
Of course, lithium can not only be used to make airplanes, or even to make teaspoons. This is because the chemical nature of lithium is very active, and it can combine with the oxygen in the air to become a white, loose compound, lithium oxide, completely losing its original mechanical strength. The teaspoon made of lithium will “won’t fly” when the hot tea is stirred for the first time, because the teaspoon is “eaten” by the water – lithium and water react violently, replacing the hydrogen in the water, releasing Hydrogen, which itself becomes lithium hydroxide, dissolves into the water.
In nature, lithium is still a relatively large element, accounting for two ten thousandths of the total number of atoms in the earth's crust. A compound containing many soluble lithium in salt layers, sea water, salt lakes, and mineral springs.
Lithium must preservation In a dry environment, lithium metal does not react with oxygen. It reacts with oxygen only in a humid environment. The color changes from silvery white to black and then to white. Lithium metal in the laboratory is generally stored in a dry inert atmosphere.
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