Why does nuclear charge increase as you go left to right across a period

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Chemistry

Conrad Buchanan

7 May, 20:25

Why does nuclear charge increase as you go left to right across a period

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Deanna Rollins · Answer 1

The atomic number increases moving left to right across a period and subsequently so does the effective nuclear charge. Therefore, moving left to right across a period the nucleus has a greater pull on the outer electrons and the atomic radii decreases.