How the atomic radii changes across the period?

1.	How the atomic radii changes across the period?
Answer» Increase in Nuclear charge and decrease in atomic size.......both are inversely proportional<br>The atomic radii decreases because when we move from left to right in a period the no. of electron increases and charge of proton also increase then the proton charge also attract the valence electron then that lead to the decrease in atomic radii.??????<br>because when we move left to right then size of atom decrease due increase in atomic nuclear charge and no. of electron on orbit

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