Chemistry · Periodic Classification of Elements
मेंडलीफ की आवर्त सारणी में तत्वों के वर्गीकरण का आधार क्या था?
- 1परमाणु घनत्व
- 2परमाणु आयतन
- 3परमाणु संख्या
- 4परमाणु द्रव्यमान✓
सही उत्तर देखें
परमाणु द्रव्यमान
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