Question

Which of the following statements about the bonding atomic radii in Figure 7.7 is incorrect? (i) For a given period, the radii of the representative elements generally decrease from left to right across a period. (ii) The radii of the representative elements for the $n=3$ period are all larger than those of the corresponding elements in the $n=2$ period. (ii) For most of the representative elements, the change in radius from the $n=2$ to the $n=3$ period is greater than the change in radius from $n=3$ to $n=4 .$ (iv) The radii of the transition elements generally increase moving from left to right within a period. (v) The large radii of the Group 1 A elements are due to their relatively small effective nuclear charges.

          Which of the following statements about the bonding atomic radii in Figure 7.7 is incorrect? (i) For a given period, the radii of the representative elements generally decrease from left to right across a period. (ii) The radii of the representative elements for the $n=3$ period are all larger than those of the
corresponding elements in the $n=2$ period. (ii) For most of the representative elements, the change in radius from the $n=2$ to the $n=3$ period is greater than the change in radius from $n=3$ to $n=4 .$ (iv) The radii of the transition elements generally increase moving from left to right within a period. (v) The large radii of the Group 1 A elements are due to their relatively small effective nuclear charges.

Added by Paul G.

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