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Solution


Q.

Consider the following statement:

(i) Atomic radii decreases across a row of the periodic table when we move from left to right

(ii) Atomic radii increases down the column as we move from top to bottom

(iii) Screening effect order s>p>d>f

Correct statements are
1 (i) and (ii) only  
2 (i) and (iii) only  
3 (ii) and (iii) only  
4 (i), (ii) and (iii)  

Ans.

(4)

periodic property