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WorksheetsAP Chemistry Thou Shall Not Forget Units
Total questions: 26
Worksheet time: 15mins
What is the total # of covalent bonds carbon can form when drawing a Lewis structure?
12
6
4
8
What do mass spectroscopy graphs measure?
Mass of isotopes
Mass of protons
Energy of electrons
Number of electrons
What is the bond angle in BF3?
90
120
109.5
180
Which orbital is filled after 4p?
5s
4s
3d
4p
What is the bond angle in H2O?
120
90
180
104.5
Fill in the blanks: germanium is a ________________, hydrogen is a _________________ and uranium is a ________________
metal, non-metal, metalloid
metalloid, non-metal, metal
non-metal, metal, metalloid
Are asymmetrical molecules polar or nonpolar?
Polar
non-polar
neither
What is the bond angle in NH3?
120
107.3
180
90
List the 3 Intermolecular forces from weakest to strongest
hydrogen bonding, London dispersion, dipole-dipole
London dispersion, hydrogen bonding, dipole-dipole
London dispersion, dipole-dipole, hydrogen bonding
dipole-dipole, hydrogen bonding, London dispersion
List ALL the Intermolecular forces that exist in PCl3
hydrogen bonding, London dispersion
London dispersion, hydrogen bonding, dipole-dipole
London dispersion, dipole-dipole
London dispersion
Are anions larger or smaller than their neutral atoms?
Larger
Smaller
Same size
“More polarizable” refers to which Intermolecular Force?
hydrogen bonding
london dispersion
dipole dipole
What is an example of a covalent network solid?
Salt
Diamond
Sugar
Water
Name a property that decreases as Intermolecular Forces increase.
Vapor pressure
Conductivity
Melting point
Solubility
P and V are ___________________ related?
inversely
directly
The greater the molar mass of a gas, the_________________ it moves.
faster
slower
Average Kinetic Energy is proportional to _____________.
Heat
Temperature
Pressure
Activation energy
Real gases behave most like an ideal gas at what conditions of temperature and pressure?
High T, Low P
High P, Low T
High V, Low T
What is the hybridization of carbon in CH4?
sp3
sp
sp2
sp4
What is the hybridization for carbon in CO2?
sp3
sp
sp2
What is the hybridization for an oxygen in CO2?
sp3
sp
sp2
Count the number of sigma and pi bonds in this molecule:
13 sigma, 1 pi
14 sigma, 2 pi
1 sigma, 14 pi
2 sigma, 13 pi
Why are asymmetrical molecules polar?
Their dipoles do not cancel
Their dipoles cancel
What is the bond angle in ozone, O3?
120
90
180
109.5
Name a property that increases as Intermolecular Forces increase.
Vapor pressure
Conductivity
Melting point
Solubility
When a molecular solid melts or boils, which breaks?
Intermolecular forces
Intramolecular bonds
