Lithium and magnesium exhibit diagonal relationship because they have similar
Correct answer: C. Polarizing power
- A. Ionic radii
- B. Atomic radii
- C. Polarizing power
- D. Atomic volume
Explanation
Lithium and magnesium exhibit a diagonal relationship primarily due to their similar polarizing power. Polarizing power is related to the ability of an ion to distort the electron cloud of another ion. This is significant in forming compounds with similar properties, which is characteristic of elements that have a diagonal relationship. Ionic radii and atomic radii are not the main factors, while atomic volume differences do not explain the diagonal relationship. Therefore, polarizing power is the correct answer.
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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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