Science · Chemistry
रेडियोधर्मी तत्व पोलोनियम (Polonium) की खोज किसने की थी?
- 1दिमित्री मेंडेलीव
- 2हेनरी बेकरेल
- 3अर्नेस्ट रदरफोर्ड
- 4मैरी क्यूरी और पियरे क्यूरी✓
सही उत्तर देखें
मैरी क्यूरी और पियरे क्यूरी
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