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zimovet [89]
3 years ago
8

What is the primary reason that atomic radius decreases as you move from left to right across the periodic table even through th

e number of electrons is increasing?
Chemistry
1 answer:
Anika [276]3 years ago
5 0

Answer:

As you move across a period the electrons are being added to the same shell. But, protons are being added as well. This makes the nucleus more positively charged and, increasing protons has a greater effect than electrons. So, there is a greater nuclear attraction and, because the electrons are being added to the same shell that shell gets pulled in more. This causes a decrease in atomic radius.

Explanation:

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