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| $(i) \ _{26}Fe^{54}, \ _{26}Fe^{56}, \ _{26}Fe^{58}$ | $(a) \ \text{સમસ્થાનિકો}$ |
| $(ii) \ _1H^3, \ _2He^3$ | $(b) \ \text{સમન્યુટ્રોનિક}$ |
| $(iii) \ _{32}Ge^{76}, \ _{33}As^{77}$ | $(c) \ \text{સમઈલેક્ટ્રોનિક}$ |
| $(iv) \ _{92}U^{235}, \ _{90}Th^{231}$ | $(d) \ \text{સમભારિક}$ |
| $(v) \ _1H^1, \ _1D^2, \ _1T^3$ |
| સ્પીસીઝ | ઇલેક્ટ્રોનની સંખ્યા |
|---|---|
| $(i) Be^{2+}$ | $(a) 0$ |
| $(ii) H^{+}$ | $(b) 10$ |
| $(iii) Na^{+}$ | $(c) 2$ |
| $(iv) Mg^{+}$ | $(d) 11$ |
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