- Atomic number: 94
- Atomic weight: 244
- Electron configuration: [Rn] 5f6 7s2
- Oxidation states: +3, +4, +5, +6
- Radioactive: Yes, alpha and beta emitter
- Melting point: 640 °C (1,184 °F)
- Boiling point: 3,227 °C (5,841 °F)
- Density: 19.86 g/cm³
- Color: Silvery-white
Chemical Reactivity
Plutonium is a highly reactive metal that tarnishes in air and reacts with water to form plutonium hydroxide. It is also pyrophoric, meaning that it can ignite spontaneously in air at room temperature. Plutonium is soluble in acids, but not in alkalis.
Oxidation States
Plutonium can exist in a variety of oxidation states, including +3, +4, +5, and +6. The most common oxidation state is +3, which is found in plutonium(III) compounds. Plutonium(IV) compounds are also common, and they are typically oxidized to plutonium(VI) compounds in air. Plutonium(V) compounds are rare, and they are typically unstable.
Radioactivity
Plutonium is a radioactive element that emits alpha and beta particles. Alpha particles are helium nuclei, while beta particles are electrons. The alpha particles emitted by plutonium are very energetic and can travel several centimeters in air. The beta particles emitted by plutonium are less energetic and can only travel a few millimeters in air.
Toxicity
Plutonium is a highly toxic element that can cause a variety of health problems, including cancer, birth defects, and radiation poisoning. Plutonium is also a teratogen, meaning that it can cause birth defects if it is ingested by a pregnant woman.
Uses
Plutonium is used as a fuel in nuclear reactors and as a component of nuclear weapons. It is also used in some medical applications, such as the treatment of cancer.
Plutonium is a dangerous element that must be handled with care. It is important to be aware of the chemical properties of plutonium in order to safely work with it.