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CBSE Class 12-science Answered

why in the periodic table as we go left to right the atomic radius decrease?
Asked by vasu | 10 Oct, 2013, 12:50: PM
Expert Answer

As we move from left to right in the periodic table, the number of shells remains constant and the nuclear charge that is atomic number increases in the same period. As a result, the attractive force of the nucleus on the outermost electrons becomes more and more and hence the atomic size decreases.

Answered by Vaibhav Chavan | 10 Oct, 2013, 06:48: PM
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