Science · Chemistry
किस में कोई परिवर्तन नहीं होता है जब एक अणु बीटा कण उत्सर्जित करता है?
- 1इलेक्ट्रॉनों की संख्या
- 2परमाणु क्रमांक✓
- 3न्यूट्रॉन संख्या
- 4द्रव्यमान संख्या
सही उत्तर देखें
परमाणु क्रमांक
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