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Ionization potential decreases due to increased electron shielding in subshells.
Ionization potential increases as subshells fill, causing stronger attraction to the nucleus.
Ionization potential remains constant across the period as electron affinity does not change.
Ionization potential decreases because elements with high electron affinity have lower ionization energy.
Understanding the Answer
Let's break down why this is correct
As the 2s and 2p subshells fill, the number of protons in the nucleus goes up. Other options are incorrect because It assumes shielding increases dramatically as more electrons are added to the same shell; It claims ionization energy is constant and that electron affinity never changes.
Key Concepts
Ionization Potential
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Deep Dive: Ionization Potential
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Definition
Ionization potential is the energy required to remove an electron from an atom's outermost shell. It varies across periods and groups in the Periodic Table, influencing the element's reactivity and ability to form ions. Understanding ionization potential helps in predicting chemical behavior and bonding patterns.
Topic Definition
Ionization potential is the energy required to remove an electron from an atom's outermost shell. It varies across periods and groups in the Periodic Table, influencing the element's reactivity and ability to form ions. Understanding ionization potential helps in predicting chemical behavior and bonding patterns.
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