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प्रश्न
Match the following:
| Element | No. of Neutron |
| a. \[\ce{^40_18AR}\] | i. 7 |
| b. \[\ce{^14_6C}\] | ii. 21 |
| c. \[\ce{^40_19K}\] | iii. 8 |
| d. \[\ce{^14_7N}\] | iv. 22 |
जोड़ियाँ मिलाइएँ
उत्तर
| Element | No. of Neutron |
| a. \[\ce{^40_18AR}\] | iv. 22 |
| b. \[\ce{^14_6C}\] | iii. 8 |
| c. \[\ce{^40_19K}\] | ii. 21 |
| d. \[\ce{^14_7N}\] | i. 7 |
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