Rare earth metals are a group of 17 elements, including the 15 lanthanides, plus scandium and yttrium. Radium is an alkaline earth metal and is not considered a rare earth metal.
Which among the following is not among the 'rare earth metals' that is used in manufacturing electrical and electronic components?
Asked in District Statistical Officer Assistant Director 2025 · Topic: Metals, Minerals, Ores: Properties, Uses (Definition and classification of metals, non-metals, and metalloids)
More Chemistry questions
- Depending upon the chemical composition and mechanical properties, iron may be classified as
- Three of the following four are alike in some manner while one is different. Select the different one.
- Which of the following is a wrong statement?
- Which one of the following minerals is NOT a naturally occurring silicate ?
- The metallurgical process in which a metal is obtained in a fused state is called
- What is the name of the process that converts sulphide ores into oxides by heating strongly in the presence of excess air ?
- In the joining of railway tracks, iron oxide is made to react with
- During calcination process
