91Ó°ÊÓ

Which element in each of the following pairs has the higher electronegativity? (a) Te or I (b) \(\mathrm{N}\) or \(\mathrm{P}\) (c) In or F

Arrange the following elements in order of increasing electronegativity: (a) \(\mathrm{N}\) (b) Ge (c) \(\mathrm{O}\) (d) \(\mathrm{P}\)

Which element in each of the following pairs has more metallic character? (a) Si or Sn (b) Ge or Se (c) \(\mathrm{Bi}\) or \(\mathrm{I}\)

Which element in each of the following pairs has more nonmetallic character? (a) S or Te (b) \(\mathrm{Cl}\) or \(\mathrm{P}\) (c) \(\mathrm{Bi}\) or \(\mathrm{Br}\)

Which compound in each of the following pairs is more ionic? (a) \(\mathrm{CaH}_{2}\) or \(\mathrm{NH}_{3}\) (b) \(\mathrm{P}_{4} \mathrm{O}_{6}\) or \(\mathrm{Ga}_{2} \mathrm{O}_{3}\) (c) \(\mathrm{SiCl}_{4}\) or \(\mathrm{KCl}\) (d) \(\mathrm{BCl}_{3}\) or \(\mathrm{AlCl}_{3}\)

Which compound in each of the following pairs is more covalent? (a) \(\mathrm{PCl}_{3}\) or \(\mathrm{AlF}_{3}\) (b) \(\mathrm{CaO}\) or \(\mathrm{NO}\) (c) \(\mathrm{NH}_{3}\) or \(\mathrm{KH}\) (d) \(\mathrm{SnO}_{2}\) or \(\mathrm{SiO}_{2}\)

Which of the following compounds are molecular, and which have an extended three-dimensional structure? (a) \(\mathrm{B}_{2} \mathrm{H}_{6}\) (b) \(\mathrm{KAlS}_{3} \mathrm{O}_{s}\) (c) \(\mathrm{SO}_{3}\) (d) \(\mathrm{GeCl}_{4}\)

Which of the following compounds are molecular, and which have an extended three-dimensional structure? (a) KF (b) \(\mathrm{P}_{4} \mathrm{O}_{10}\) (c) \(\mathrm{SiCl}_{4}\) (d) \(\mathrm{CaMgSi}_{2} \mathrm{O}_{6}\)

Consider the elements \(\mathrm{C}\), \(\mathrm{Se}, \mathrm{B}, \mathrm{Sn}, \mathrm{Cl}\). Identify the element on this list that: (a) Has the largest atomic radius (b) Is the most electronegative (c) Is the best electrical conductor (d) Has a maximum oxidation state of \(+6\) (e) Forms a hydride with the empirical formula \(\mathrm{XH}_{3}\)

Consider the elements \(\mathrm{N}, \mathrm{Si}, \mathrm{Al}, \mathrm{S}, \mathrm{F}\). Identify which of these elements: (a) Has the highest ionization energy (b) Has the most metallic character (c) Forms the strongest \(\pi\) bonds (d) Is a semiconductor (e) Forms a \(2-\) anion