Chemistry · Classification of Elements and Periodicity in Properties
निम्नलिखित में से किस अनुक्रम में केवल प्रतिनिधि (मुख्य समूह) तत्वों के परमाणु क्रमांक शामिल हैं?
- 19, 35, 48, 88
- 27, 17, 25, 37
- 32, 10, 22, 36
- 43, 33, 53, 87✓
सही उत्तर देखें
3, 33, 53, 87
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