Chemistry · Radioactive elements
निम्नलिखित में से कौन-सी एक रेडियोसक्रिय द्रव धातु है?
- 1सीज़ियम
- 2फ्रांसियम✓
- 3गैलियम
- 4पारा (Mercury)
सही उत्तर देखें
फ्रांसियम
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