Why are these materials called rare earth elements

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Assignment:

There are 17 rare earth metals: 15 elements in the lanthanide series and two additional elements that share similar chemical properties. Because of their unique magnetic, luminescent, and electrochemical properties, these elements help make many technologies perform with reduced weight, reduced emissions, and energy consumption, or give them greater efficiency, performance, miniaturization, speed, durability, and/or thermal stability.

Please respond to the following:

1. Why are these materials called "rare earth elements?" Be careful here and look it up!

2. Name and describe several rare earth elements, what kind of technologies they are used for, and the technological benefits of their use.

3. How do these rare earth elements affect your everyday life? Include at least one that you use regularly in your home, car, office, etc.

Reference no: EM133315127

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