Noble Gases
Noble gases have the highest ionization energies in their respective periods because:
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Solution
They have stable completely filled orbitals
Noble Gases (Group 18) possess a highly stable closed-shell electronic configuration (ns2np6).
- Every orbital is completely filled, leading to a state of maximum stability and symmetry.
- Removing an electron from such a stable configuration is extremely unfavorable and requires a massive amount of energy.
- Furthermore, they have the smallest atomic radius in their respective periods, maximizing the nuclear pull on valence electrons.
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About This Question
- Subject
- chemistry
- Chapter
- classification of elements and periodicity in properties
- Topic
- noble gases
- Difficulty
- Easy
- Year
- 2025
This easy difficulty chemistry question is from the chapter classification of elements and periodicity in properties, covering the topic of noble gases. It appeared in the 2025 exam. Practice this and similar questions to strengthen your understanding of classification of elements and periodicity in properties concepts.
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