dysprosium
Definition
Dysprosium is a chemical element with the symbol Dy and atomic number 66. It is a rare-earth element, and it is found in the minerals monazite and xenotime.
Dysprosium is a silvery-white metal that is very soft and ductile. It is a strong magnet, and it is also a good conductor of heat and electricity. Dysprosium is used in a variety of applications, including:
Magnets: Dysprosium is used in the production of strong magnets, such as those used in electric motors and generators.
Lasers: Dysprosium is used in the production of lasers, which are used in a variety of applications, such as surgery and telecommunications.
Optical materials: Dysprosium is used in the production of optical materials, such as lenses and windows, which are used in a variety of applications, such as cameras and telescopes.
Dysprosium is a relatively rare element, and it is not found in large quantities. However, it is an important element, and it is used in a variety of applications.
How can the word be used?
To extract dysprosium from something.
Different forms of the word
Noun: dysprosium.
Verb: to dysprosium.
Synonym: lanthanide, rare earth.
Antonym: common element.
Etymology
The word "dysprosium" comes from the Greek word dysprositos, which means "hard to get at". It was named after the difficulty in isolating it from other rare earth elements.
Question
How is dysprosium used?
AQA Science Exam Question and Answer
Question:
Explain the significance of dysprosium in modern technology and its applications. Describe the unique properties of dysprosium that make it essential in various industries, particularly in the manufacturing of high-strength magnets and electronic devices. Provide examples of dysprosium's role in sustainable technologies and its impact on reducing environmental pollution.
Answer:
Dysprosium holds significant importance in modern technology due to its unique properties and applications. This rare earth element is known for its high magnetic strength and thermal stability, making it a crucial component in the manufacturing of high-strength magnets used in various industries, including electronics and clean energy.
Dysprosium is an essential ingredient in neodymium-iron-boron magnets, which are used in electric motors for vehicles, wind turbines, and many electronic devices like smartphones and computer hard drives. These magnets help improve energy efficiency, reduce device sizes, and enhance performance in electronic equipment.
Moreover, dysprosium's application extends to sustainable technologies. In the production of hybrid vehicles and electric cars, dysprosium-containing magnets are vital in improving motor efficiency and reducing carbon emissions. Additionally, dysprosium is used in energy-efficient lighting, like compact fluorescent lamps, which help reduce energy consumption and environmental pollution.
Understanding dysprosium's properties and its role in technological advancements enables us to create more efficient and eco-friendly devices, contributing to a cleaner and sustainable future.