Chemistry · Periodic Classification
निम्नलिखित में से कौन सा तत्व कृत्रिम रूप से तैयार किया जाने वाला पहला तत्व था?
- 1थैलियम (Tl)
- 2थोरियम (Th)
- 3टेक्निशियम (Tc)✓
- 4टेल्यूरियम (Te)
सही उत्तर देखें
टेक्निशियम (Tc)
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