Which of the following lanthanides is used in making strong permanent magnets?
Correct Answer: Neodymium
- Step 1: Understand what lanthanides are. They are a group of 15 chemical elements in the periodic table, from lanthanum to lutetium.
- Step 2: Learn about permanent magnets. These are magnets that maintain their magnetic properties over time without needing electricity.
- Step 3: Identify which lanthanides are known for their magnetic properties. Neodymium is one of them.
- Step 4: Recognize that neodymium is specifically used to make strong permanent magnets because it has excellent magnetic properties.
- Step 5: Conclude that neodymium is the correct answer to the question.
No concepts available.
