Oxygen and sulphur resemble in all except________________?
Correct answer: D. Show same oxidation state
- A. Electronic conviguration of valence shell electrons
- B. Show allotropy
- C. Polymeric
- D. Show same oxidation state
Explanation
Oxygen and sulphur have the same valence-shell pattern, ns2np4, and both show allotropy and catenation or polymeric structures. They do not show the same range of oxidation states: sulphur commonly reaches +6, whereas oxygen usually shows -2 and has only limited positive oxidation states. The likely trap is polymeric, because oxygen is mainly molecular, but oxygen and sulphur can both show forms involving extended structures in suitable compounds.
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About Periodic Properties and Trends
Periodic properties arise from electron configuration and effective nuclear charge, producing trends in atomic and ionic radius, ionization energy, electron affinity, electronegativity, metallic character and reactivity. Comparisons run across periods and down groups, with attention to common exceptions. The topic also relates these trends to the behavior of s-block and p-block elements.
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