Which of the following atoms or ions is isoelectronic with neon $(Ne)$?
- A$F^{-}$
- BOxygen atom $(O)$
- C$Mg$
- D$N^{-}$
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The $^{18}O$ isotope of oxygen will have:
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$(i) \ _{26}Fe^{54}, \ _{26}Fe^{56}, \ _{26}Fe^{58}$ $(a) \ \text{Isotopes}$ $(ii) \ _1H^3, \ _2He^3$ $(b) \ \text{Isotones}$ $(iii) \ _{32}Ge^{76}, \ _{33}As^{77}$ $(c) \ \text{Isoelectronic}$ $(iv) \ _{92}U^{235}, \ _{90}Th^{231}$ $(d) \ \text{Isobars}$ $(v) \ _1H^1, \ _1D^2, \ _1T^3$
| $(i) \ _{26}Fe^{54}, \ _{26}Fe^{56}, \ _{26}Fe^{58}$ | $(a) \ \text{Isotopes}$ |
| $(ii) \ _1H^3, \ _2He^3$ | $(b) \ \text{Isotones}$ |
| $(iii) \ _{32}Ge^{76}, \ _{33}As^{77}$ | $(c) \ \text{Isoelectronic}$ |
| $(iv) \ _{92}U^{235}, \ _{90}Th^{231}$ | $(d) \ \text{Isobars}$ |
| $(v) \ _1H^1, \ _1D^2, \ _1T^3$ |
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