31.Which of the molecules listed has a triple covalent bond? (a) NH3(b) O2(c) F2(d) N2(e) HOCl 32.Which group represents particles that contain the same number of electrons? 33.How many protons, neutrons, and electrons might there be in a potassium ion, K+?
34.Ionic bonds may be considered to result from 35.The strongest ionic bond exists between (a) sodium and fluorine(b) potassium and fluorine(c) lithium and fluorine(d) chlorine and fluorine 36.The formation of an ionic bond is to be expected from the reaction between... 37.Which one of the following compounds contains the most polar covalent bond? 38.Which formula represents a nonpolar molecule? 39.Which is an example of a nonpolar molecule that contains polar covalent bonds? (a) CCl4(b) N2(c) H2O(d) NH3 40.What are intermolecular forces? 41.Which of the following is used to explain why iodine molecules are held together in the solid state 42.Which of the following is used to explain why the boiling point of HF is greater than the boiling pointof HBr 43.Which intermolecular forces exist between molecules of sulfur difluoride, SF2 ? (a) dispersive forces only (b) dispersive forces and dipole-dipole attractions (c) dispersive forces and hydrogen bonds (d) dipole-dipole attractions only (e) hydrogen bonds only
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- Summer '19
- Atom, Electrons