Ch. 6: Electronic Structure and Periodic Properties of Elements
Which of the following has the highest energy?
Radiowaves, Microwaves, Infrared
Infrared
What type of bond forms between sodium and chlorine?
Ionic
How many pi bonds are in a molecule of HCN?
2
What is 1.08 atm in torr?
821 torr
Which of the following elements is a good conductor of heat and electricity?
Aluminum, Carbon, Chlorine, or Xenon
Aluminum
Which of the following has a larger atomic radius?
Ni or Zn2+
Ni
Is CCl4 a polar or nonpolar compound?
Nonpolar
What is the hybridization of the carbon in a CH4 molecule?
sp3
The law relating pressure of a gas to volume is?
Boyle's Law
The element that corresponds to the electron configuration 1s2 2s2 2p6 3s2 3p6 4s2 3d1 is?
Scandium
What is the electron configuration of the Cu+ ion?
1s2 2s2 2p6 3s2 3p6 3d10
How many resonance structures does NO3- have?
3
Molecular orbitals can be either bonding or _ orbitals.
Antibonding
Temperature and pressure are _ related.
Directly
The mixing of which pair of reactants will result in a precipitation reaction?
LiClO4(aq) + (NH4)2S(aq)
NH4Cl(aq) + NH4I(aq)
Mg(NO3)2(aq) + K2CO3(aq)
Na2SO4(aq) + Cu(NO3)2(aq)
Mg(NO3)2(aq) + K2CO3(aq)
What subshell corresponds to the quantum numbers n=3, l=0?
3s
What is the formal charge on the carbon atom in CO2?
0
Is O2 paramagnetic or diamagnetic?
If the total pressure is 1.35 atm and the only other gas is O2 at a partial pressure of 683 torr, what is the partial pressure of H2O in torr?
343 torr
The specific heat capacity of liquid water is 4.184 J/gK. How many joules of heat are needed to raise the temperature of 6.00 g of water from 36.0oC to 75.0oC?
978 J
What is the energy of a photon that is traveling at a wavelength of 632 nm? *Hint: Planck's constant = 6.626x10-34 Js*
3.15x10-19 J
What is the molecular geometry of BF3?
Trigonal Planar
A double bond is _ in length than a single bond.
Shorter
How many moles of O2 are present in a sample that has a volume of 2.0 L and a pressure of 1.86 atm at a temperature of 37.3oC? *Hint: R = 0.082 Latm/molK
0.15 mol
What is the concentration of NO3- ions in a solution prepared by dissolving 25.0 g of Ca(NO3)2 in enough water to produce 300. mL of solution?
1.02 M