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How many protons neutrons and electrons in uranium 240? Uranium 240 has 92 protons and electrons, but 148 neutrons because the atomic number is 92 and the atomic mass is 240. Edit
In nature, uranium is generally found as an oxide, such as in the olive-green-colored mineral pitchblende. Uranium oxide is also the chemical form most often used for nuclear fuel. Uranium-fluorine compounds are also common in uranium processing, with uranium hexafluoride (UF 6) and uranium tetrafluoride (UF 4) being the two most common. In its pure form, uranium is a silver-colored metal. Uranium Oxides - U 3 O 8 and UO 2. The most common forms of uranium oxide are U 3 O 8 and UO 2. Both oxide forms are solids that have low solubility in water and are relatively stable over a wide range of environmental conditions. Triuranium octaoxide (U 3 O 8) is the most stable form of uranium and is the form most commonly found in nature. Uranium dioxide (UO 2) is the form in