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Question & Answer
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Electronegativity increases due to increased nuclear charge.
Electronegativity decreases because atoms are larger.
Electronegativity remains constant across a period.
Electronegativity increases due to increased electron shielding.
Understanding the Answer
Let's break down why this is correct
Electronegativity climbs across a period because each element adds a proton to the nucleus. Other options are incorrect because Students often think atoms grow larger across a period, but actually the atomic radius shrinks; Electronegativity does not stay the same across a period.
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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