Uranium

Uranium is a chemical element with the symbol U and atomic number 92. It is a silvery-grey metal in the actinide series of the periodic table. Uranium has several isotopes, but only U-235 and U-238 are used in commercial reactors and nuclear weapons.

Properties of Uranium

Some key properties of uranium include:

• Atomic number: 92
• Atomic mass: 238.02891 u
• Physical state at room temperature: Solid
• Color: Silvery-grey
• Boiling point: 4131°C
• Melting point: 1132°C

Uses of Uranium

Uranium has several important uses:

• Production of nuclear energy in power plants
• Manufacture of nuclear weapons
• Radioactive dating and geological research

Environmental and Health Impact

Uranium and its decay products have both radiological and chemical toxicity. Exposure to high levels of uranium can lead to kidney damage, while the decay products can emit radiation that poses health risks.

Study Guide

Here are some key points to remember about uranium:

1. Uranium is a chemical element with the symbol U and atomic number 92.
2. It is a silvery-grey metal and is part of the actinide series of the periodic table.
3. Uranium has important uses in the production of nuclear energy, manufacturing nuclear weapons, and radioactive dating.
4. Exposure to high levels of uranium can have negative health effects, particularly on the kidneys.
5. Uranium has two primary isotopes - U-235 and U-238 - which are used in commercial reactors and nuclear weapons.

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