Which of the following pairs is an example of isoelectronic species?
- A$O^{2-} ; Na^{+}$
- B$O^{2-} ; F$
- C$K ; Ca^{2+}$
- D$Ar ; Al^{3+}$
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Similar Questions
Isotopes were discovered by
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View SolutionWhat is the atomic number and the number of electrons in a hydrogen atom (containing $1$ proton) and a sodium atom (containing $11$ protons) respectively?
Easy
View SolutionMatch the isotopes in List $I$ with the number of neutrons in List $II$.
$(A)$. $^{24}_{12}Mg$ $(I)$. $5$ $(B)$. $^{27}_{13}Al$ $(II)$. $12$ $(C)$. $^{9}_{4}Be$ $(III)$. $6$ $(D)$. $^{12}_{6}C$ $(IV)$. $14$
| $(A)$. $^{24}_{12}Mg$ | $(I)$. $5$ |
| $(B)$. $^{27}_{13}Al$ | $(II)$. $12$ |
| $(C)$. $^{9}_{4}Be$ | $(III)$. $6$ |
| $(D)$. $^{12}_{6}C$ | $(IV)$. $14$ |
The symbol of an isotope is $_{32}X^{65}$,this reveals that
Easy
View SolutionAn element with mass number $181$ contains $32 \%$ more neutrons as compared to protons. What is the symbol of that element?
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