45 Questions
Which intermolecular force is the strongest?
Hydrogen bond
Which type of bonding involves the sharing of electrons between a nonmetal and nonmetal?
Covalent bonding
Which type of molecule has an equal distribution of electrons?
Nonpolar molecules
Which intermolecular force is a force between polar molecules and ions?
Ion-dipole forces
Which intermolecular force is named after Johannes van der Waal?
London dispersion forces
Which type of intermolecular force is a force between polar/dipole molecules?
Dipole-dipole forces
Which intermolecular force is a force between polar molecules and ions?
Ion-dipole forces
Which type of intermolecular force is a force between polar molecules?
London dispersion forces
Which type of intermolecular force involves hydrogen bonding with N, O, and F?
Hydrogen bond
Which type of molecule has an equal distribution of electrons?
Nonpolar molecules
Which type of intermolecular force is a force between polar molecules and ions?
Ion-dipole forces
Which type of intermolecular force involves hydrogen bonding with N, O, and F?
Hydrogen bond
Which type of intermolecular force is a force between polar/dipole molecules?
Dipole-dipole forces
Which type of intermolecular force is a force between polar molecules?
London dispersion forces
Which type of molecule has an equal distribution of electrons?
Nonpolar molecule
Which of the following is NOT a type of intermolecular force?
Ionic bonding
Which of the following molecules is nonpolar?
H₂S
Which intermolecular force is the strongest?
Hydrogen bond
Which of the following is a polar molecule?
H₂O
Which type of intermolecular force involves a force between polar molecules and ions?
Ion-dipole forces
Which of the following is a physical property of liquids?
Surface tension
What is the importance of determining the melting point of a solid substance?
To identify the substance
How is temperature related to melting?
As temperature increases, the solid substance melts
What physical property can help distinguish a crystalline from an amorphous solid?
Regular repeating pattern
What forces bind the structural units in ionic crystals?
Ionic bonds
Which of the following is a physical property of liquids?
Surface tension
What forces bind the structural units in metal crystals?
Metallic bonding
What physical property can help distinguish a crystalline from an amorphous solid?
Crystalline structure
What forces bind the structural units in molecular crystals?
Covalent bonding
What forces bind the structural units in covalent network crystals?
Covalent bonding
Which one of these is NOT a physical property of liquids?
Incompressibility
What is the relationship between temperature and melting?
Temperature increases as melting occurs
Why is it important to determine the melting point of a solid substance?
To identify the substance
What physical property can help distinguish a crystalline from an amorphous solid?
Melting point
What forces bind the structural units in metal crystals?
Metallic bonds
According to the text, what is solubility?
The maximum quantity of solute that can be dissolved in a given quantity of solvent at a given temperature
According to the text, what is the phase diagram?
A diagram that shows the phases that can be present for any given pressure-temperature combination
According to the text, what is the triple point?
The intersection of the liquid-vapor and solid-liquid curves
According to the text, what is the critical point?
The pressure-temperature combination at which a substance exists as a supercritical fluid
According to the text, what is the solution process?
The process of breaking bonds between molecules and integrating them into the solvent to form a new substance
During hot days, fish stay at the deeper cooler part of a body of water. Can you explain this behavior using what you know about the solubility of gas?
The solubility of gas decreases with increasing temperature
There is a practice in some areas around the country where 'compressors' are used by miners and fishermen to be able to breathe under mine shafts and during deep-sea diving. How would you convince these people that the practice is dangerous?
Compressors can cause oxygen toxicity
A hot solution of sugar, in which a string is suspended, is left to cool to room temperature. Sugar crystals begin to form on the string as the solution cools. Explain why these crystals are formed.
The solubility of sugar decreases with decreasing temperature
What does a phase diagram show?
The phase changes of a substance
What is the triple point?
The point at which a substance can exist in two phases
Test your knowledge on polar molecules and their properties with this quiz. Learn about examples of polar molecules and understand how electron distribution affects their polarity.
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