Which block of the periodic table contains maximum number of metals?
Correct answer: C. d-Block
- A. s-Block
- B. p-Block
- C. d-Block
- D. f-Block
Explanation
The d-block of the periodic table, also known as the transition metals block, contains the maximum number of metals. It includes elements from groups 3 to 12 and is characterized by the filling of d-orbitals. These transition metals exhibit a wide range of properties and are primarily metallic in nature. In contrast, the s-block, which includes groups 1 and 2, contains fewer metals, specifically the alkali and alkaline earth metals. The p-block, which includes groups 13 to 18, contains a mix of metals, metalloids, and non-metals, thus not having a predominance of metals. The f-block, containing the lanthanide and actinide series, has many metals but still fewer than the d-block.
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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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