Chemistry · Periodic Classification
आवर्त सारणी में निम्नलिखित में से सबसे हल्का तत्व कौन सा है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1लिथियम (Li)
- 2हाइड्रोजन (H)✓
- 3आर्गन (Ar)
- 4हीलियम (He)
सही उत्तर देखें
हाइड्रोजन (H)
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