Chemistry, asked by tanujaaps10b, 1 month ago

why do atomic radius changes as we move from left to right in a period.
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Answered by Expert0204
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The atomic radius of atoms generally decreases from left to right across a period.Within a period, protons are added to the nucleus as electrons are being added to the same principal energy level. These electrons are gradually pulled closer to the nucleus because of its increased positive charge. Since the force of attraction between nuclei and electrons increases, the size of the atoms decreases.

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