unknown, 11 strokes, radical 钅, rank #82347, Very Hard
rú(ru2) T2
1rubidium
2rubidium (chemistry)
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March 24, 2026
铷(銣)rú(ru2)
铷 (rú) refers to the chemical element rubidium, which is a soft, silvery-white metallic element. It is primarily used in specialized applications such as atomic clocks and various types of glass. In chemistry, it is categorized as an alkali metal and is known for its high reactivity.
Strokes11Radical钅Frequency#82347DifficultyVery Hard
Cultural Note
Rubidium has significance in modern Chinese scientific research, particularly in the development of precision instruments like atomic clocks, which are crucial for global positioning systems (GPS) used widely in daily life.
Memory Tip
Imagine a 'rub' of silver on a white surface, representing the soft, silvery color of rubidium. The character 铷 has the metal radical '金' (jīn) at the top, indicating that it is a metal, and the '如' (rú) below can be remembered as 'you like to rub' this soft metal.
Meanings of 铷
rú(ru2)
1rubidium
2rubidium (chemistry)
Exercise 1 of 2
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About 铷
铷Simplified
銣Traditional
11Strokes
钅Radical
语素morpheme (morph.)Part of Speech
#—Frequency Rank
Podcast: 铷
Podcast: 铷
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AI Study Notes for 铷
Memory Mnemonic
Imagine a 'rub' of silver on a white surface, representing the soft, silvery color of rubidium. The character 铷 has the metal radical '金' (jīn) at the top, indicating that it is a metal, and the '如' (rú) below can be remembered as 'you like to rub' this soft metal.
Usage Notes
When discussing rubidium in a chemistry context, ensure the term is used appropriately in scientific discussions rather than casual conversations. A common mistake is confusing it with similar-sounding elements; always clarify it in context. It is more formal and less commonly used outside scientific discussions.
HSK Study Tips
Although not included in the HSK levels, understanding 铷 can be useful for advanced learners interested in chemistry vocabulary. Focus on related terms like '化学' (huàxué - chemistry) and '元素' (yuánsù - element) to build a stronger foundation.
Cultural Note
Rubidium has significance in modern Chinese scientific research, particularly in the development of precision instruments like atomic clocks, which are crucial for global positioning systems (GPS) used widely in daily life.
Common Mistakes
Learners often confuse 铷 with 余 (yú) or other similar-sounding terms in chemistry. For example, saying '我学习余' (Wǒ xuéxí yú) instead of '我学习铷' (Wǒ xuéxí rú) can lead to misunderstandings regarding the element being discussed.
AI-enhanced 2026-03-24
Pronunciation of 铷
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Cultural Notes for 铷
🏮Cultural insight
Rubidium has significance in modern Chinese scientific research, particularly in the development of precision instruments like atomic clocks, which are crucial for global positioning systems (GPS) used widely in daily life.
Word Family of 铷
Words Containing This Character1
铷rúrubidium (chemistry)銣
Exercise 1 of 1
Compound Meaning
What does 铷 mean?
Frequently Asked Questions about 铷
Rubidium is used in atomic clocks, which are essential for accurate timekeeping in GPS and telecommunications.
Yes, rubidium is highly reactive, especially with water, and should be handled with caution in laboratory settings.
Rubidium is heavier and more reactive than lithium and sodium, with unique applications in specific technological fields.
