For Review 405 Exercises In this section similar exercises are paired. Chemical

Question

For Review 405 Exercises In this section similar exercises are paired. Chemical Bonds and Electronegativity 27. Without using Fig. 8.3, predict the order of increasing electro- negativity in each of the following groups of elements. a. C, N, O b. S, Se, C c. Si, Ge, Sn d. TI, S, Ge 28. Without using Fig. 8.3, predict the order of increasing electro- negativity in each of the following groups of elements. a,) Na, K, Rb b. B, O, Ga c. F, CI, Br Without using Fig. 8.3, predict which bond in each of the fol- lowing groups will be the most polar. a. C-F, Si-F, Ge-F b.)P-Cl or S-C c. S-F, S-cl, S-Br d. Ti-Cl, Si-Cl, Ge-c 29. 30. Without using Fig. 8.3, predict which bond in each of the fol- lowing groups will be the most polar. a. C-H, Si-H, Sn-H b. Al-Br, Ga-Br, In-Br, Tl-Br C-O or Si-o d. O-F or O-C Repeat Exercises 27 and 29, this time using the values for the .3. Are there electronegativities of the elements given in Fig. 8 r answers? 31. I uaes for th

Explanation / Answer

Rb < K < Na (Eletronegative charcter decreases when size of the atom increses in the same group)

P-Cl (the electro negativity diffrence between Cl and P is much more that bet ween S and Cl)

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