Question

Why are atomic ratii decrease from left to right along a period for normal elements​

Answer 1

Answer:

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This is caused by the increase in the number of protons and electrons across a period. One proton has a greater effect than one electron; thus, electrons are pulled towards the nucleus, resulting in a smaller radius. This is caused by electron shielding.

Explanation:

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Answer 2

Explanation:

This is caused by the increase in the number of protons and electrons across a period. One proton has a greater effect than one electron; thus, electrons are pulled towards the nucleus, resulting in a smaller radius.

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