Chemistry · Periodic Classification
मैंडलीफ का आवर्त नियम तत्वों के किस गुण पर आधारित था?
- 1परमाणु घनत्व
- 2परमाणु त्रिज्या
- 3परमाणु भार (द्रव्यमान)✓
- 4परमाणु क्रमांक
सही उत्तर देखें
परमाणु भार (द्रव्यमान)
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