Which of elements is more metallic?
Correct answer: D. Bi
- A. P
- B. As
- C. Sb
- D. Bi
Explanation
The metallic character of elements increases down a group in the periodic table because the atoms become larger and more willing to lose electrons. Among the given options, bismuth (Bi) is located at the bottom of Group 15 and thus has the highest metallic character. Phosphorus (P) is a non-metal, arsenic (As) is a metalloid, and antimony (Sb) is more metallic than arsenic but less metallic than bismuth. Therefore, bismuth (Bi) is the most metallic among the options provided.
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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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