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Question & Answer
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It increases the ionization energy down the group
It decreases the effective nuclear charge experienced by valence electrons
It has no effect on atomic radius
It increases electronegativity down the group
Understanding the Answer
Let's break down why this is correct
When more inner shells are added, the inner electrons push out the valence electrons. Other options are incorrect because Some think shielding makes ionization energy rise, but the opposite happens; A common mistake is to think shielding doesn’t change size.
Key Concepts
Periodic Properties
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Deep Dive: Periodic Properties
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Definition
Periodic properties describe the trends in atomic size, ionization potential, electron affinity, electronegativity, metallic character, and non-metallic character across periods and groups. These properties help in understanding the reactivity and behavior of elements within the Periodic Table.
Topic Definition
Periodic properties describe the trends in atomic size, ionization potential, electron affinity, electronegativity, metallic character, and non-metallic character across periods and groups. These properties help in understanding the reactivity and behavior of elements within the Periodic Table.
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