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Main block elements are same as that of

Correct answer: C. s and p-block

  • A. s-block
  • B. p-block
  • C. s and p-block
  • D. d-block

Explanation

The main block elements of the periodic table are those found in the s and p blocks. These blocks include the representative elements, which are the columns on the far left and right of the periodic table, excluding the transition metals (d-block) and the inner transition metals (f-block). Therefore, the correct answer is that the main block elements are the s and p-block elements. The s-block includes groups 1 and 2, while the p-block includes groups 13 to 18. The d-block elements are not part of the main block as they are classified as transition metals.

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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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