What is the electron configuration for Se2-
1s22s22p63s23p64s23d104p6
Which is the most polar: O-F, N-F, or C-F?
C-F
What is the molecular geometry of BF3?
Trigonal Planar
Which gas is the fastest: O2, F2, or Cl2?
O2
How does hydrogen bonding occur?
Hydrogen bonds to oxygen, nitrogen, or fluorine
Which of the following is not possible?
n=2 l=1 m=1
n=3 l=3 m=2
n=1 l=0 m=0
n=3 l=3 m=2
What is the lewis dot structure of CHCl3?
What is the bond angle of a compound that is tetrahedral in shape?
109.5
What are ideal gases at?
High temperature and low pressure
What are van der waal's forces?
London dispersion and dipole-dipole
On an energy level diagram for hydrogen, at what level is visible light seen?
What does a long arrow represent in terms of energy and wavelength?
n=2 shows visible light
Long arrow: high energy and short wavelength
What is the formal charge of the carbon and oxygen in CO2?
Carbon: 0
Oxygen: 0
Is CH3Cl polar or nonpolar?
Polar
Using Boyle's Law, if pressure increases, what happens to volume?
Draw a graph using Boyle's Law.
Volume decreases
Inverse relationship
What kind of force do all compounds have?
London dispersion
Calculate the frequency when given a wavelength of 640.0nm
4.688 x 1014 s
Arrange B, Al, C, and Si in order of increasing ionization energy.
Carbon
What is the hybridization of the oxygen atom in C3H7OH?
What are the conditions of a gas at STP?
273K and 1 atm
What has the highest boiling point: CH4, C2H6, or C3H8?
C3H8
Calculate the energy of yellow light that has a wavelength of 589nm.
3.37 x 10-19 J
Arrange K+, Cl-, Ca2+, and S2- in order of increasing size.
Ca2+ < K+ < Cl- < S2-
What is the electron-domain geometry of water?
7.45g of magnesium carbonate decomposes into carbon dioxide and magnesium oxide. What is the volume of CO2 gas at STP?
MgCO3 (s) = CO2 (g) + MgO (s)
1.98L of CO2
List the following compounds in order of increasing boiling point: CH4, CO2, C4H9OH, C3H7OH
CH4 < CO2 < C3H7OH < C4H9OH