Which of the following pairs has elements containing the same number of electrons in the outermost orbit?
- A$N, O$
- B$Na, Cl$
- C$Ca, Cl$
- D$Cl, Br$
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Similar Questions
Among the following,the least and most metallic elements will be respectively:
$(I) [He] 2s^1$
$(II) [Kr] 5s^2 4d^{10} 5p^5$
$(III) [Xe] 6s^1$
$(IV) [He] 2s^2 2p^5$
$(I) [He] 2s^1$
$(II) [Kr] 5s^2 4d^{10} 5p^5$
$(III) [Xe] 6s^1$
$(IV) [He] 2s^2 2p^5$
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Which element has the greatest tendency to lose electrons?
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View SolutionWhich of the following orders of acidic strength is correct?
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View SolutionWhich one of the following reactions does not occur?
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