Which part of the periodic table (top/bottom, left/right) has the elementswith the largest atoms?Go Figure1H.0.312181713141516HeBe0.960.28Li1.28FNe10.84 0.76 0.71 0.66 0.57 0.58IncreasingradiusMg1.41Na1.66SiAl1.21 1.11 1.07 |1.05 1.02 1.06Zn GaSCIArTiVCr MnCo Ni Cuca 70 1.60 1.53 1.39 1.39 1.32|1.26 |1.24 1.32 1.22 1.22 1.20 1.19 1.20 1.20 1.16СаScFeGeAsSeBrKr2.03SrYZrNbMoTcRuRh PdRb1.95 1.90 1.75 1.64 1.54 1.47 1.46 1.42 1.39AgCdInSnSb1.45 1.44 1.42 1.39 1.39 1.38 1.39 1.40Te2.20XeRadius (102 pm)Increasing radiusA Figure 7.7 Trends in bonding atomic radii for periods 1 through 5. 7.83 In the series of group 16 hydrides, of general formulaMH2, the measured bond distances are 0-H, 96 pm;S-H, 134 pm; Se-H, 146 pm. (a) Compare these valueswith those estimated by use of the atomic radii in Figure7.7. (b) Explain the steady increase in M-H bond dis-tance in this series in terms of the electron configurationsof the M atoms.

Ans - In the periodic table, bottom, left elements have the atoms that are the largest in size.…

In the series of group 16 hydrides, of general formula MH2, the measured bond distances are 0-H, 96 pm; S-H, 134 pm; Se-H, 146 pm. (a) Compare these values with those estimated by use of the atomic radii in Figure 7.7. (b) Explain the steady increase in M-H bond dis- tance in this series in terms of the electron configurations of the Matoms.

In the series of group 16 hydrides, of general formula MH2, the measured bond distances are 0-H, 96 pm; S-H, 134 pm; Se-H, 146 pm. (a) Compare these values with those estimated by use of the atomic radii in Figure 7.7. (b) Explain the steady increase in M-H bond dis- tance in this series in terms of the electron configurations of the Matoms.

Chemistry

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Chapter20: The Representative Elements

Section: Chapter Questions

Problem 118IP: Although nitrogen trifluoride (NF3) is a thermally stable compound, nitrogen triiodide (Nl3) is...

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