Metallic Character
Easychemistry
Metallic character of elements:
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Solution
Incorrect! Answer:
Increases down a group, decreases across a period
Metallic Character is defined by an element's ability to lose electrons (electropositivity).
- Horizontal Trend: Decreases across a period (left to right) because the ionization energy increases, making it harder to lose electrons.
- Vertical Trend: Increases down a group because the atomic size increases and effective nuclear charge on valence electrons decreases, making it easier to lose electrons.
- Therefore, Francium (bottom-left) is the most metallic, while Fluorine (top-right) is the most non-metallic.
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About This Question
- Subject
- chemistry
- Chapter
- classification of elements and periodicity in properties
- Topic
- metallic character
- Difficulty
- Easy
- Year
- 2025
Solution
Correct Answer:
Increases down a group, decreases across a period
Metallic Character is defined by an element's ability to lose electrons (electropositivity).
- Horizontal Trend: Decreases across a period (left to right) because the ionization energy increases, making it harder to lose electrons.
- Vertical Trend: Increases down a group because the atomic size increases and effective nuclear charge on valence electrons decreases, making it easier to lose electrons.
- Therefore, Francium (bottom-left) is the most metallic, while Fluorine (top-right) is the most non-metallic.
This easy difficulty chemistry question is from the chapter classification of elements and periodicity in properties, covering the topic of metallic character. It appeared in the 2025 exam.
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