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Question
What is the approximate interatomic spacing in gases at NTP (Normal Temperature and Pressure)?
Options
10−12 m
10−10 m
10−9 m
10−7 m
MCQ
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Solution
10−9 m
Explanation:
At NTP, the interatomic spacing in gases is approximately 10−9 m, which is about 10 times larger than in solids (approximately 10−10 m). This large spacing explains why gases are highly compressible and have no definite shape or volume.
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