CHEM210 n
FinalExamination:MasteryofCoreChemical
n n n n n
Principles n
WhatisgroundstateelectronconfigurationofCo?
n n n n n n n
[Ar]3d^9
n
[Ar]4s^13d^8 n
[Ar]4s^23d^7
n n
[Ar]4s^24p^6 4d^1 -answer-[Ar]4s^23d^7 n n n n n
molybdenumhasananomalouselectron configuration.usingthe shorthandnotationforn n n n n n n n n n
electron configurations, write the electron configuration
n n n n n n
A) [kr]5s4d^6 n
B) [kr]5s4d^0 5p^6 n n
C) [kr]5s^14d^5 n
D) [kr]5s^24d^4 -answer-C)[kr]5s^1 4d^5 n n n n n
the symbol [Kr] represents
n n n
a) 4s^2 4p^6 n
b) 1s^22s^2 2p^6 3s^6 4s^24p^6 n n n n n
c) 1s^2 2s^2 2p^63s^6 4s^23d^104p^6 n n n n n n
D) 1s^2 2s^22p^6 3s^6 4s^23d^104p^6 4d^10 -answer-c) 1s^2 2s^2 2p^6 3s^64s^2 3d^10
n n n n n n n n n n n n n n n
4p^6
n
Whatis the wavelength of UV light in the balmer series when m=2 and n=7?
n n n n n n n n n n n n n n
a) 0.00252nm n
b) 397nm n
c) 337 nm n
d) 0.00297 nm - answer-b) 397 nm n n n n n
How many electrons can a single orbitalhold?
n n n n n n n
A) 2n
B) 2
C) 2l+1
D) 8 - answer-B) 2
n n n
, What are thepossible valuesof I and m1 foran electron in a 5d orbitial?
n n n n n n n n n n n n n n n
A) I=0and mI=0 n n
B) I=3 and MI=-2,-1,0,+1, or +2 n n n n
c) I=1 and MI=-1,0,+1
n n n
D) I=2 and MI=-2,-1,0,+1, +2 - answer-D) I=2 and MI=-2,-1,0,+1, +2
n n n n n n n n n
What is the thede Broglie wavelength ofanelectron (m=9.11e-31 kg) moving at a velocity of
n n n n n n n n n n n n n n n n
3.0e7m/s?
n
a) 3.9e-12
b) 2.4e-11
c) 3.3e-8
d) 1.1e-4-answer-b)2.4e-11 n n
Whatis the frequencyof ahelium-neon laserlight with a wave of 632.8 nm?
n n n n n n n n n n n n n n
a) 4.47e14s-1 n
b) 4.47e5 s-1 n
c) 2.11e-15s-1 n
d) 1.58e-15s-1 - answer-a) 4.47e14 s-1 n n n n n
What is the correctnuclear symbol fortheunknownproduct "X" inthe nuclear equation shown
n n n n n n n n n n n n n n n
below?
n
A) 234
TH
n
90
n
B) 226
Ra
n
88
n
C) 234
U
n
90
n
D) 242
Pu
n
94
n
E) 234
Pu
n
94 - answer-A)234
n n n
TH
n
90
n
Thealphaparticleis A)1 n n n n
1H B)2
n n n
1H C)3
n n n
1H
n n
FinalExamination:MasteryofCoreChemical
n n n n n
Principles n
WhatisgroundstateelectronconfigurationofCo?
n n n n n n n
[Ar]3d^9
n
[Ar]4s^13d^8 n
[Ar]4s^23d^7
n n
[Ar]4s^24p^6 4d^1 -answer-[Ar]4s^23d^7 n n n n n
molybdenumhasananomalouselectron configuration.usingthe shorthandnotationforn n n n n n n n n n
electron configurations, write the electron configuration
n n n n n n
A) [kr]5s4d^6 n
B) [kr]5s4d^0 5p^6 n n
C) [kr]5s^14d^5 n
D) [kr]5s^24d^4 -answer-C)[kr]5s^1 4d^5 n n n n n
the symbol [Kr] represents
n n n
a) 4s^2 4p^6 n
b) 1s^22s^2 2p^6 3s^6 4s^24p^6 n n n n n
c) 1s^2 2s^2 2p^63s^6 4s^23d^104p^6 n n n n n n
D) 1s^2 2s^22p^6 3s^6 4s^23d^104p^6 4d^10 -answer-c) 1s^2 2s^2 2p^6 3s^64s^2 3d^10
n n n n n n n n n n n n n n n
4p^6
n
Whatis the wavelength of UV light in the balmer series when m=2 and n=7?
n n n n n n n n n n n n n n
a) 0.00252nm n
b) 397nm n
c) 337 nm n
d) 0.00297 nm - answer-b) 397 nm n n n n n
How many electrons can a single orbitalhold?
n n n n n n n
A) 2n
B) 2
C) 2l+1
D) 8 - answer-B) 2
n n n
, What are thepossible valuesof I and m1 foran electron in a 5d orbitial?
n n n n n n n n n n n n n n n
A) I=0and mI=0 n n
B) I=3 and MI=-2,-1,0,+1, or +2 n n n n
c) I=1 and MI=-1,0,+1
n n n
D) I=2 and MI=-2,-1,0,+1, +2 - answer-D) I=2 and MI=-2,-1,0,+1, +2
n n n n n n n n n
What is the thede Broglie wavelength ofanelectron (m=9.11e-31 kg) moving at a velocity of
n n n n n n n n n n n n n n n n
3.0e7m/s?
n
a) 3.9e-12
b) 2.4e-11
c) 3.3e-8
d) 1.1e-4-answer-b)2.4e-11 n n
Whatis the frequencyof ahelium-neon laserlight with a wave of 632.8 nm?
n n n n n n n n n n n n n n
a) 4.47e14s-1 n
b) 4.47e5 s-1 n
c) 2.11e-15s-1 n
d) 1.58e-15s-1 - answer-a) 4.47e14 s-1 n n n n n
What is the correctnuclear symbol fortheunknownproduct "X" inthe nuclear equation shown
n n n n n n n n n n n n n n n
below?
n
A) 234
TH
n
90
n
B) 226
Ra
n
88
n
C) 234
U
n
90
n
D) 242
Pu
n
94
n
E) 234
Pu
n
94 - answer-A)234
n n n
TH
n
90
n
Thealphaparticleis A)1 n n n n
1H B)2
n n n
1H C)3
n n n
1H
n n
