how does the atomic radius changes as we go from left to right acrooss a period or down a group in periodic table
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because it have increasing atomic number
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when we move across a period (left to right) ,atomic radii decreases due to increase in internuclear attraction.
Down the group ,atomic radii increases due to increase in value of atomic orbital.
Down the group ,atomic radii increases due to increase in value of atomic orbital.
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