Fluorine can react with_________________?
Correct answer: D. All of the above
- A. Xe
- B. Kr
- C. Rn
- D. All of the above
Explanation
Fluorine is sufficiently reactive to form compounds with the noble gases xenon, krypton and radon under suitable conditions, such as XeF2, KrF2 and RnF2. Therefore, all three listed noble gases can react with fluorine. A student may choose xenon only by forgetting that krypton and radon also form fluorides.
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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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