Uranium Properties and Applications

The video discusses uranium as a key energy resource, highlighting its abundance compared to precious metals and its role in nuclear energy. It covers global uranium reserves, focusing on major producers like Australia, Kazakhstan, and Canada. The video explains the use of uranium-235 in reactors and the potential of breeder reactors using uranium-238. It details the mining process, the formation of yellowcake, and the radioactive nature of uranium. The video also explores how uranium's radioactivity aids in fossilization and addresses the handling of mill tailings, emphasizing safety and environmental considerations.

Which of the following elements is more abundant than uranium?

• Silver

• Gold

• None of the above

• Platinum

Which country has the largest uranium reserves?

• Kazakhstan

• Canada

• Russia

• Australia

How long can 1 tonne of uranium-235 power a large nuclear reactor?

• 1 year

• 3 years

• 5 years

• 10 years

What is the more plentiful isotope used in breeder reactors?

• Uranium-235

• Uranium-240

• Uranium-238

• Uranium-239

What is the common name for uranium-308?

• Blue dust

• Red ore

• Greenstone

• Yellowcake

What is the appearance of uranium-308?

• Red

• Blue

• Dark green

• Bright yellow

What tool is used to detect uranium's radioactivity?

• Spectrometer

• Thermometer

• Geiger counter

• Barometer

What mineral can replace the organic matrix in fossils in uranium-rich areas?

• Uranium oxide

• Calcium

• Silicon

• Iron

What are mill tailings?

• Concrete blocks

• Radioactive waste

• Leftover sand from mining

• Processed uranium

What is a potential hazard of using mill tailings in construction?

• High radioactivity

• Environmental pollution

• Structural weakness

• High cost