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PRACTICE：Physics Unit28: Quantum Mechanics of Atoms
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 Author: physics    Total Marks: 52 mks  Marks Awarded: _____________

User Name: No Login  Start Time: 23年05月01日 10:44  Switch to Whole-Paper Mode

Mark Problem
1#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The probability of finding an electron in a hydrogen atom is directly propor2evz3 )k ok++xdqf 2j)1a zayntional toaz1yjz++d )k)23k 2e aofqxn v its

Correct Answer:    
Mark Problem
2#
 
Free-Response ( 1.0 marks) Whole-Paper View Save Problem  
State Heisenberg's Uncertai0 o 8gqdhmdm,vlqd1/ )fny)4lnty Principle.
Correct Answer:    

Mark Problem
3#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The reason the position of a particle cannoto9l4a mm mfr1pqwoh4r4 7:9wd be specified with infinite precision is th1dmo9 ar94 pm7f4 :hwr4mwq loe

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Mark Problem
4#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  If the accuracy in measuring the posit50 9cg tkip.qgml q(:cion of a particle increases, the accuracy in measuring its qli 05cmg(gkcq :pt .9velocity will

Correct Answer:    
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Mark Problem
5#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  If the accuracy in measuring the velocity of a pajs jei6fhx + 4cwm;a):rticle increases, the accuracy in measuring its positionh x jc): 6+fwjeasm;4i will

Correct Answer:    
Mark Problem
6#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The quantity "h-bar" h/eg2uczdvb3 a.:yd)k as a value of

Correct Answer:    
Mark Problem
7#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The principal quantum number can have any inte b+elk j;;cx5pger value ranging from

Correct Answer:    
Mark Problem
8#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The orbital quantum number can have any integer value rangingsbt 7*v: n)qmn from

Correct Answer:    
Mark Problem
9#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The magnetic quantum num.fcc: mmt5q52 e; rebkber can have any integer value ranging from

Correct Answer:    
Mark Problem
10#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The spin quantum number ca7ggf .hqx b:e6n have values of

Correct Answer:    
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Mark Problem
11#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  If l = 4, which one of the following yub0 tx )gx*hmb*h:s8 is a possible quantum number for n?

Correct Answer:    
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Mark Problem
12#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  If n = 5, which one of the following is not an allowed magnetico/l4a,n g zy)i quantum number?

Correct Answer:    
Mark Problem
13#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The wave equation for hydrogen has /58;truq ,difii z.h7p3zzw ksolutions only if the three quantum numbers $n$, $l$, and $m_l$ meet certain conditions. One of these conditions specifies that n

Correct Answer:    
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Mark Problem
14#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The wave equation for hydrogen h)/i.cu b 63n* /ih hnks m;am3zbqn:wxas solutions only if the three quantum numbers $n$, $l$, and $m_l$ meet certain conditions. One of these conditions specifies that l

Correct Answer:    
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Mark Problem
15#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The wave equation for hydrogen has solutions only if the three q kf .lsrfy,:j6uantum numbers $n$, $l$, and $m_l$ meet certain conditions. One of these conditions specifies that $m_l$

Correct Answer:    
Mark Problem
16#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In the ground state, the quab.zxn7l5bqg+m0 +t-0y +mt0 elby o uontum numbers ($n$, $l$, $m_l$, $m_s$) for hydrogen are, respectively,

Correct Answer:    
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Mark Problem
17#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  According to the selection rule, when a photon8ocqf lz5+kc-p b zd+6 is emitted or absorbed, transitions can only occur between state with values of l that differ c5 l6+-+fzpckqb8do z by

Correct Answer:    
Mark Problem
18#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The number of electrons il/ 4fqyd79 ;han)cgf fn a neutral atom is called its

Correct Answer:    
Mark Problem
19#
 
Free-Response ( 1.0 marks) Whole-Paper View Save Problem  
State the Pauli exclusion p/s 0a(8vp:mx brfmgb0ev /ou; rinciple.
Correct Answer:    

Mark Problem
20#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In terms of an atom's electron configuration, the letters K, L, M, an, t+u)7w ywmh q9uufm7d N refer toumuy7 q+hu7 tww,f9m)

Correct Answer:    
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Mark Problem
21#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  What is the maximum number of electrons that ;aghwsx ;w9 ned :ko+,can occupy the $g$ sub shell?

Correct Answer:    
Mark Problem
22#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  How many possible sets of quantum nufe v)+ .lmb -vt/iva/;mxa2 bvmbers or electron states are there in the $5f$ sub shell?

Correct Answer:    
Mark Problem
23#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The elements in the periodic table tp s ,yoiww:dm,39xs3nm9w.e vhat have completely filled shells or subshells are rwn:3. esmm dx3ov 9,ws,pwiy9eferred to as

Correct Answer:    
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Mark Problem
24#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The elements in the periodic table which lack one electron from a filled )y k3((+wegp5z zsv bsshell are r ygs(wb p+v5se3z(zk) eferred to as

Correct Answer:    
Mark Problem
25#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The elements in the periodic table whicwknusg, az9+3 wzi*-m h have a single outer s electron are referred to a*a kg3w 9,+ zusnz-wmis

Correct Answer:    
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Mark Problem
26#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The word LASER is an acronhacqk3w,u) ( mym for

Correct Answer:    
Mark Problem
27#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In order to produce a hologrjcpsm:42s op6 i1ut g(am, one needs, in addition to an object and a piece of photographic filj4gs mpp(s 62:tioc1 um,

Correct Answer:    
Mark Problem
28#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  When a hologram is illuminated wx s fa6t*/p*pnuj:s84j3fpztith a beam of coherent light, it produces

Correct Answer:    
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Mark Problem
29#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  An electron inside a c;calf)u 98 msp4-wwg( 0hop 0id;nzjhydrogen atom is confined to within a space of about 0.110 nm. If the electron mass9p8d(a;z;4 g-sjwinhw )mu0pfoc0l c is $9.11 \times 10^{-31} \; kg$, what is the uncertainty in the electron's velocity?

Correct Answer:    
Mark Problem
30#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Suppose that the speed oh.h*zws 8p6zff an electron traveling 2000 m/s is known to an accuracy o*szhw6fp 8h.zf 1 part in $10^5$ (i.e., within 0.001%). What is the greatest possible accuracy within which we can determine the position of this electron?

Correct Answer:    
Mark Problem
31#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A measurement of an elecj7x (. qfev,ottron's speed is $2.0 \times 10^6 \; m/s$ and has an uncertainty of 10%. What is the minimum uncertainty in position?

Correct Answer:    
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Mark Problem
32#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A baseball has mass 143 g and speed 45.0 m/s, with the speed known to wit,hk ydmfp*w349otw d6hin 0.100%. What is the min,k3 w 9dd64mfywhpt *oimum uncertainty in the position of the baseball?

Correct Answer:    
Mark Problem
33#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The energy of an electron state has an uncertainty of about 0.500 eV. What ifz53n/ 4(keabh(lc kos the uncertainty in the life-time of the levellkhk5eo 4(cz/3b nf( a?

Correct Answer:    
Mark Problem
34#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  An electron is known to be confined to57 5 rsvoia i-fu+1n;1h 5twdx 9kqjvr a region of width 0.1 nm. What is an approxi rv qi jwsk75a1vd9ton- f5h1x+;ir5umate expression for the least kinetic energy it could have, in eV?

Correct Answer:    
Mark Problem
35#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The radius of a typical nucle5 xhtg7wla968lh.p zh us is about $5.0 \times 10^{-15} \; m$. Assuming this to be the uncertainty in the position of a proton in the nucleus, estimate the uncertainty in the proton's energy (in eV).

Correct Answer:    
Mark Problem
36#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A hydrogen atom is in t7u7jo 9 ikc/uche $6h$ state. Determine the principal quantum number.

Correct Answer:    
Mark Problem
37#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A hydrogen atom is in th:wg18vdoy3 p;rh7oaeu sw ):ze $6h$ state. How many electrons are allowed in this state?

Correct Answer:    
Mark Problem
38#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A hydrogen atom is int.a 4a r19tlus the $6h$ state. Which of the following could be an orbital quantum number?

Correct Answer:    
Mark Problem
39#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A hydrogen atom is in theu.w* tpb j5h 3h9ed9xq $6h$ state. Which one of the following is not a magnetic quantum number?

Correct Answer:    
Mark Problem
40#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In a hydrogen atom, a given electron has n = 7. How many values cawr g6jtr/34p; mp6oczn l have?

Correct Answer:    
Mark Problem
41#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In a hydrogen atom, a given electron has l = 7. tk5hvfa1;w*. zc,rd 8vj l*cmlr tp6ixi k272How many values can $m_l$ have?

Correct Answer:    
Mark Problem
42#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In a hydrogen atom, an electron with n = 7 can exist in how many different qd q:2v(22pw 6uasknwjl n++xduantum s+a2(puwd +w2x nslk v:n26jdq tates?

Correct Answer:    
Mark Problem
43#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Consider ground-state helium holding two electrons in orbit. If one of2rtk2 w,6* ph csovb+b the electrons has quantum+22cwk sptrh bo,b *6v numbers ($n$, $l$, $m_l$, $m_s$) of 1, 0, 0, -1/2 respectively, the quantum numbers for the other electron will be

Correct Answer:    
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Mark Problem
44#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  How many electrons will fit(*sjjtg+ y(r b into a $4f$ sub shell?

Correct Answer:    
Mark Problem
45#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The values of n and l for a 0qh9jea1 wrse2sy -/ s$4f$ sub shell are

Correct Answer:    
Mark Problem
46#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A neutral atom has electron*l.i*3v5urjtt n zk n( configuration $1s^22s^22p^63s^23p^2$. What element is this?

Correct Answer:    
Mark Problem
47#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A neutral atom has an electron configur 3fx616ct8wwtvyir0 9b7 pnpeation of $1s^22s^22p^63s^23p^2$. What is its atomic number?

Correct Answer:    
Mark Problem
48#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A neutral atom has an electron configuration77oecztx :)sl7pcm8g of $1s^22s^22p^6$. If a neutral atom holds one additional electron, what is the ground state configuration?

Correct Answer:    
Mark Problem
49#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  What is the electron configuration for Li which has threj8ek 1;po1jt7ij (yoy/l)fog e electrons?

Correct Answer:    
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Mark Problem
50#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  High-energy photons are xze)1pt *yxt+w uk23obk,pg9 used to bombard an unknown metal. The strongest peak is found for X-rays with an energy of 66 keV. What is the atomic nt)gt2pzbop, 9 w1exkuk*+y3xumber of the metal?

Correct Answer:    
Mark Problem
51#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  What is the shortest-wavelength X-ray photon emitted in an X-ray tube sub+vo r pl cr5vp)u*n2n3ject to )52*prc +vpnl3onrvu 50 kV?

Correct Answer:    
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Mark Problem
52#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In a ruby laser, an electron jumps from a higher energy ,nlg *ej*b.i n rc)+krlevel to a lower one. If the energy difference between the two levels is 1.8 eV, what is the wavelength of the emk*j*r+e cin r)bnlg, .itted photon?

Correct Answer:    
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