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Atomic radii of the elements of the second period are given below:Period II elements:BBeONLiCAtomic radius (Pm):88111667415277i. Arrange them in decreasing order of their atomic radii. ii. How does the atomic radius change as you go from left to right in a period? Why? |
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Answer» (i) Li > Be > B > C > N > O (ii) Atomic radius decreases on moving from left to right in a period of the periodic table. It is because force of attraction for the outermost electrons towards nucleus increases because of increased nuclear charge. |
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