铷 (rú) - Rubidium — a soft, silvery-white metallic element (symbol
铷 · rú
Rubidium — a soft, silvery-white metallic element (symbol Rb, atomic number 37) in the alkali metal group.
Rubidium — a soft, silvery-white metallic element (symbol
Usage highlights
rubidium elementrubidium atomrubidium clockrubidium compoundrubidium vaporrubidium strontium dating
Synonyms
- 铷元素— rubidium element
Usage & contexts
Examples
- Rubidium is used in atomic clocks (铷原子钟).
- This mineral contains rubidium compounds (铷化合物).
- Rubidium has applications in electronics (铷电子器件).
- The rubidium-strontium dating method is used in geology (铷锶定年法).
Collocations
- rubidium element(铷元素)
- rubidium atom(铷原子)
- rubidium clock(铷钟)
- rubidium compound(铷化合物)
- rubidium vapor(铷蒸气)
- rubidium strontium dating(铷锶定年)
Cultural background
FAQ- Rubidium was discovered in 1861 by German chemists Robert Bunsen and Gustav Kirchhoff.
- The name comes from Latin 'rubidus' meaning 'deep red', referring to the red spectral lines observed.
- In modern technology, rubidium is crucial for precision timekeeping in GPS and communication systems.