Chemistry · Structure of the Atom
जे.जे. थॉमसन ने किस उपपरमाण्विक कण (subatomic particle) की खोज की थी?
- 1न्यूट्रॉन
- 2प्रोटॉन
- 3इलेक्ट्रॉन✓
- 4नाभिक (न्यूक्लियस)
सही उत्तर देखें
इलेक्ट्रॉन
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