Inner transition elements are called:
Correct answer: D. All of the above
- A. Lanthanides
- B. Actinides
- C. Rare earth metals
- D. All of the above
Explanation
Inner transition elements, also known as lanthanides and actinides, occupy two rows below the main body of the periodic table.
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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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