A) 3, 2, 2
B) 2, 3, 2
C) 2, 2, 3
D) 2, 2, 2
Correct Answer: A
Solution :
| [a] Isotopes: |
| \[\left( _{8}^{16}O,\,_{8}^{18}O \right),\,\left( _{19}^{39}K,\,_{19}^{40}K \right),\,\left( _{92}^{235}U,\,_{92}^{238}U \right)\] |
| Isobars: \[\left( _{19}^{39}K,\,_{20}^{40}Ca \right),\,\left( _{6}^{14}C,\,_{8}^{16}O \right)\] |
| Isotones: \[\left( _{19}^{39}K,\,_{20}^{40}Ca \right),\,\left( _{6}^{14}C,\,_{8}^{16}O \right)\] |
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