The compound H2S contains polar bonds but the molecule is nonpolar.
Answer: False
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Chemistry Chapter 10
- Covalent molecular crystals have very low melting points, while covalent network crystals have a very high melting point because
- Water has an unusually high molar enthalpy of vaporization because of its ___________.
- If a gas and a liquid are at the same temperature and pressure, diffusion occurs much faster in the gas because ________________.
- Under which conditions does a real gas behave very much like an ideal gas?
- The __________ of a substance indicates the temperature and pressure conditions at which the solid, liquid, and vapor of a substance can coexist at equilibrium.
- Which of the following changes of state is exothermic?
- The attraction of the surface of a liquid to the surface of a solid is termed ________
- The amount of energy as the heat required to melt one mole of solid at the solid's melting point is the solid's
- The normal _________ point is the temperature at which the solid and liquid are in equilibrium at 1 atm.
- ______ liquids are liquids that evaporate readily.
- In ______________ crystals each atom is covalently bonded to its nearest neighboring atoms.
- Spontaneous mixing of the particles of two substances caused by their random motion is called _______.
- When a molecule has four electron groups with none of them lone pairs, the molecular geometry will be:
- How many lone electron pairs does the ClO (-1 charged) polyatomic anion have?
- How does soap work?
- Which compound below is a polar molecule AND has a linear molecular geometry?
- Consider the following electronegativity values: H=2.1, Cl= 3.0, F=4.0 Which molecule below would you expect to have the more polar bond?
- The electronegativity value for Mg is 1.2 and the value for O is 3.5. Based on these values, what type of bond is expected for a compound formed between Mg and O?
- The electronegativity value for N is 3.0 and that for O is 3.5. Based on these values, which of the following statements is True about the compound NO?
- Which of the following statements are True about the BF3 molecule?
- Which of the following statements about the water molecule is True?
- Which of the following statements is True for the covalent molecule HCl?
- Which compound listed below will dissolve in carbon tetrachloride, CCl4?
- Which compound listed below will dissolve in NH3?
- Which compound listed below will dissolve in water?