Question

how to find radius of sodium atom

Answer 1

An atom gets larger as the number of electronic shells increase; therefore the radius of atoms increases as you go down a certain group in the periodic table of elements.In general, the size of an atom will decrease as you move from left to the right of a certain period.

Answer 2

✴hy✴
✳here is your answer✳
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1st measure its size of the element and distance within the element