Why does atomic size decrease across …
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Posted by Sushmita Kaushik 5 years, 3 months ago
- 2 answers
Yogita Ingle 5 years, 3 months ago
Atomic radius decreases across a period because valence electrons are being added to the same energy level at the same time the nucleus is increasing in protons. The increase in nuclear charge attracts the electrons more strongly, pulling them closer to the nucleus.
Explanation:
The following diagram shows the periodic trends of atomic radius of the representative elements (main group elements) for the first six periods.
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Prince Bdc 5 years, 3 months ago
2Thank You