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| कॉलम $I$ (अणु) | कॉलम $II$ (केंद्रीय परमाणु पर एकाकी इलेक्ट्रॉन युग्मों की संख्या) |
|---|---|
| $A. \ NH_3$ | $1. \ \text{दो}$ |
| $B. \ H_2O$ | $2. \ \text{तीन}$ |
| $C. \ XeF_2$ | $3. \ \text{शून्य}$ |
| $D. \ CH_4$ | $4. \ \text{चार}$ |
| $5. \ \text{एक}$ |
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