Light, Waves, and Quantum Mechanics (the math from chapter 3)
Electron Configurations and Quantum Numbers
Naming Compounds
Periodic Trends and Isoelectronic Series
Variety
100
A purple light has a frequency of 7.42 x 10^14 Hz. What is its wavelength in nm?
404nm
100
What is the electron configuration for Phosphorus?
1s2 2s2 2p6 3s2 3p3
100
Give the name of the compound PBr5
phosphorus pentabromide
100
Rank these elements in order of increasing ionization energy: oxygen, beryllium, fluorine, carbon, and boron.
Be < B < C < O < F
100
Draw the Lewis structure for Ca2+
[Ca]+
200
A red light has a wavelength of 728 nm. What is the frequency of this light?
4.11 x 10 ^ 14 Hz
200
List all quantum numbers for Sodium (n,l,Ml,Ms):
(1,0,0,+1/2), (1,0,0,-1/2), (2,0,0,+1/2), (2,0,0,-1/2), (2,1,-1,+1/2), (2,1,0,+1/2), (2,1,1,+1/2), (2,1,-1,-1/2), (2,1,0,-1/2), (2,1,1,-1/2), (2,0,0,+1/2)
200
Give the compound that goes by the name diphosphorus pentoxide
P2O5
200
List these elements in order of increasing metallic character: Sr, Al, N, Be
N < Al < Be < Sr
200
Give the compound that goes by the name aluminum sulfate
Al2(SO4)3
300
What is the wavelength (in nm) of a photon emitted during a transition from the n=3 state to the n=1 state in the H atom?
102.5047298 nm
300
What is the abbreviated electron configuration for silver?
[Kr] 5s1 4d10
300
Give the name of the compound CsCl
cesium chloride
300
Rank these elements in order of increasing electron affinity: silicon, cesium, fluorine, and calcium.
Cs < Ca < Si < F
300
Write the ground state electron configuration for Br-
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6
400
The uncertainty in the momentum Δp of a football traveling at 40 m/s is 1x10−6 of its momentum. What is its uncertainty in position Δx? Mass=0.40kg
Δx≥3.3x10^-30 m
400
What is the electron configuration for Tin?
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p2
400
Give the compound that goes by the name sodium bromide
NaBr
400
List the following ions in order of increasing ionic radius: Ar, S2-, K+, Cl-, and Ca2+
Ca2+, K+, Ar, Cl-, S2-
400
Calculate the de Broglie wavelength (in nm) of a hydrogen atom (m=1.64x10^-27 kg) moving at 1500 cm/s.
26 nm
500
The average distance between Mars and Earth is about 1.3x10^8 miles. How long would it take TV pictures transmitted from the Mars rover robot geologist on Mars’ surface to reach earth? (1mi=1.61km)
740 seconds
500
Write the abbreviated ground stage electron configuration for Tl3+ (hint: Tl is happiest at a full 5d10 level)
[Xe] 4f14 5d10
500
Give the name of the compound PbCO3
Lead (II) carbonate
500
Which of these ions would be isoelectronic: N+,Cl-,O2-, Ca2+? (will be 2 pairs)
Na+ and O2-, Ca2+ and Cl-
500
Calculate the wavelength in nm of light with energy 1.89 x 10^-20 J per photon.
1.05x10^4 nm
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