P

Plutonium

Quick Reference
Formula / NotationPu
Molecular Weight244
CategoryElements

What is Plutonium?

Plutonium is a radioactive actinide metal first synthesised in 1940. Plutonium-239 is fissile and is used in nuclear weapons and as reactor fuel. It is one of the most studied of all the transuranic elements.

Formula & Notation

Pu

Properties & Characteristics

Appearance: silvery metal, oxidises to dull grey. Melting point: 640 °C. Boiling point: 3228 °C. Density: 19.7 g/cm³ (alpha phase).

Uses & Applications

Nuclear weapons (Pu-239 fissile core). MOX nuclear reactor fuel. Pu-238 used in radioisotope thermoelectric generators (RTGs) for deep space probes.

Safety Information

Extremely radiotoxic. Alpha emitter that is dangerous if inhaled or ingested. Bone-seeker. One of the most hazardous substances known. Strict international safeguards.

Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.

Key Facts

Term Plutonium
Formula Pu
Molecular Weight 244
Category Elements

Frequently Asked Questions

Plutonium is a radioactive actinide metal first synthesised in 1940. Plutonium-239 is fissile and is used in nuclear weapons and as reactor fuel. It is one of the most studied of all the transuranic elements.

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