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rhenium
Definition
Rhenium is a chemical element with the symbol Re and atomic number 75. It is a very rare, silvery-white, heavy metal. Rhenium is the heaviest member of the platinum group metals.
Rhenium is found in very small amounts in the Earth's crust. It is extracted from the ores of molybdenum and copper.
Rhenium is a very strong and hard metal. It is also very resistant to corrosion. Rhenium is used in a variety of applications, including:
- High-temperature alloys
- Catalysts
- Thermocouples
- Electrical contacts
How can the word be used?
Rhenium is a very hard and strong metal, and it is also resistant to corrosion.
Different forms of the word
Noun:
- a chemical element with the symbol Re and atomic number 75. It is a silvery-white, heavy, brittle metal.
Etymology
The word "rhenium" comes from the Latin name for the Rhine River, "Rhenus".
The first recorded use of the word "rhenium" in English was in 1925.
The word "rhenium" is a relatively new word, as the element was only discovered in 1925. It is named after the Rhine River, which flows through Germany and the Netherlands.
Question
What is rhenium used for?