Which group of elements shows greatest electrical conductivity?
Correct answer: D. Coinage Metals
- A. Alkali metals
- B. Alkaline earth metals
- C. Halogens
- D. Coinage Metals
Explanation
The coinage metals, which include copper (Cu), silver (Ag), and gold (Au), are known to have the highest electrical conductivity among the groups of elements given. These metals have high electron mobility, allowing for efficient flow of electric current.
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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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