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PRACTICE:Physics Unit28: Quantum Mechanics of Atoms



 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 electrvo h*6fgqz;cq5y gp(6on in a hydrogen atom is directly proportional t vpyq6* qof(;c hgg5z6o its

Correct Answer:    

Mark Problem
2#
 
Free-Response ( 1.0 marks) Whole-Paper View Save Problem  
State Heisenberg's Uncertainty Principle) imr8m6ud8i cy f8t/583zxnwa 0gpi3f:jkk n .
Correct Answer:    

Mark Problem
3#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The reason the position of a particle cannot be specified with infinite precisioe wlfnzk1441b-y*y a kn is wl-ek *zb1f4y 1kya n4the

Correct Answer:    

Mark Problem
4#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  If the accuracy in measuring the position of a particlfiq ; 2 ijkvytmyy2 *5b0ca6s3e increases, the accuracy in mebi2at6 qv0 s ym*5ij2;3yy fkcasuring its velocity will

Correct Answer:    

Mark Problem
5#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  If the accuracy in measuring the velocity of a particle incrrz(( ejf2-83o;gy3aexp ;)sxnz xg0nglpe q 8 eases, the accuracy in measuring its positfe;0gg nx2xe;z-3z (3 sxe)pg a8 yj(p8qonlrion will

Correct Answer:    

Mark Problem
6#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The quantity "h-bar" hawqco hm, -h((i ajhc1yu4,v -bs a value of

Correct Answer:    

Mark Problem
7#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The principal quantum number can hav;xb 0-; evhtiue any integer 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 ranging / bt6fsmxp(v3from

Correct Answer:    

Mark Problem
9#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The magnetic quantum number can have any integer val5hvem3-j:(zm s q 8fvhue ranging from

Correct Answer:    

Mark Problem
10#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The spin quantum number can have va/6bv, q k1yx kolr)15t ylpps5lues of

Correct Answer:    

Mark Problem
11#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  If l = 4, which one of the following is a possible quantum numb)t h k 9ix0c slfl)l-y1d g59ctlx:t+ier for n?

Correct Answer:    

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 magnetic quantum numbe2f e0p8 bmvklap l;*kc5ex;z 01fqve; r?

Correct Answer:    

Mark Problem
13#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The wave equation for hydrogen has solutions only if the t*lr /q6ehva k(hree quantum numbers $n$, $l$, and $m_l$ meet certain conditions. One of these conditions specifies that n

Correct Answer:    

Mark Problem
14#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The wave equation for hydrogen has sopo:o7- zj*uc*6gy py blutions only if the three quantum numbers $n$, $l$, and $m_l$ meet certain conditions. One of these conditions specifies that l

Correct Answer:    

Mark Problem
15#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The wave equation for hydrogen has solutions only if they-:.)kv ct+jgv u0txgatxjc .t inb;271fui0 three quantum 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 quantum numbers (,hgn er-8p mjjk;;* vo$n$, $l$, $m_l$, $m_s$) for hydrogen are, respectively,

Correct Answer:    

Mark Problem
17#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  According to the selection rule, when a photon is emitju gc 56mxa)7jg8ec0cted or absorbed, transitions can only occur betwea68c c 75 uj)mggjxe0cen state with values of l that differ by

Correct Answer:    

Mark Problem
18#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The number of electrons iqh,2uf+z ds szbmptg2 2m(8-xn 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 principle.w v8l:aok g8t.
Correct Answer:    

Mark Problem
20#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In terms of an atom's electrobe m8-t9u m*-cz es4hun configuration, the letters K, L, M, and N refer to9h *s-ee4- tbcz8m uum

Correct Answer:    

Mark Problem
21#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  What is the maximum number of electrons mscdtlu9 /h7 g6m6erzv ,0o;w that 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 numbers or electron stamjt q-xk8 (*syk-)tlt tes 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 peri+/+z-iasd xkko 0i+,y r6rdz mqge/0tq4 gg.e odic table that have completely filled shells or subshells are referrtmq6,y+ x+gs rq/g0ze/d drk.40k -e+ai zog ied to as

Correct Answer:    

Mark Problem
24#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The elements in the periodic table which lack one md z7 f ml:k82lwyr,x2electron from a filled shell are referrefw : ml7xzk,2y2r8lmd d to as

Correct Answer:    

Mark Problem
25#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The elements in the pe9:: 8d jgzokicriodic table which have a single outer s electron are referredi:od89 g:ck zj to as

Correct Answer:    

Mark Problem
26#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The word LASER is an :hpw3zmz1ff 4 acronym for

Correct Answer:    

Mark Problem
27#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In order to produce a hologram, one needs, in addition to an object and a osvqk btpl.76vyv3 ; 5piece of photographic fi3 p5l ovstyk.7q6bv; vlm,

Correct Answer:    

Mark Problem
28#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  When a hologram is illuminated with a bi/ axmp-m4f(i eam of coherent light, it produces

Correct Answer:    

Mark Problem
29#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  An electron inside a hydrogen atom is con74 vcff4jkif-a; thi zv2 c.c0fined to within a space of about 0.110 nm. If the electron t 4.cf;2ivvk4f-af7ic c j0 hzmass 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 of an electron traveling 2000 m/s is kno7d2 7;efqlq7x6,jimsib: o d2wea9 akwn to an accuracy of 1 dfj 6 ,2k;e7 aia: smqqe7iowx92ld7 bpart 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 electry *ce6..lh: + jb5adshtwc w/ion'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:    

Mark Problem
32#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A baseball has mass 143 y-xos/uy(no88ou q n0zmhsc s4 a)a3;oum, s8g and speed 45.0 m/s, with the speed known to within 0.100%. What is the minimum uncert/o,)uzoqsa8-o 8xum y s0s ;n(s mouyh ac84n3ainty 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- dtgnq(u2 o1+( t,iuhvutdx( an uncertainty of about 0.500 eV. What is t(vudttgn2(h d o- 1uqtxi(+u,he uncertainty in the life-time of the level?

Correct Answer:    

Mark Problem
34#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  An electron is known to be confined to a region of width 0.1ahtqcg;,.6 6uuxw0d n nm. What is an approximate expression fuu0qc d6; n wx.t6ahg,or 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 nucleus is a7 yyeyhzy 6hhx,)5sg2 bout $5.0 \times 10^{-15} \; m$. 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 the:k7nab zsk-z ; $6h$ 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 ik0k/ + r gh bjlk6;s+)guct)rbn the $6h$ 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 in tklq3n6e)jv0 8ou en.lhe $6h$ 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 :plougx. -le u4,0nw tthe $6h$ 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 exb1b.+mxo ,niji bq7f,1 0w ptlectron has n = 7. How many values can l have?

Correct Answer:    

Mark Problem
41#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In a hydrogen atom, a given , k8gcf.r3a* lnt5 bjxelectron has l = 7. How 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 howj xo1i10xnqj 6 many different quantum statesi6ojj1q1nx x0 ?

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 o4 /f+o,u hliynf the electrons has quantum numberuo /h,y 4lfn+is ($n$, $l$, $m_l$, $m_s$) of 1, 0, 0, -1/2 respectively, the quantum numbers for the other electron will be

Correct Answer:    

Mark Problem
44#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  How many electrons will fl ,3mv4rmf d p//q g jpth*wi2;q;o:tlit 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 li5 : vfd;+xzkj3dzrsy.;q4 + l6 bzsthy7e .qx for a $4f$ sub shell are

Correct Answer:    

Mark Problem
46#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A neutral atom has electron confi vm:sm6gi5w)zguration $1s^22s^22p^63s^23p^2$. 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 m:f zrqvu 6*a-configuration 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 wj7h+ )u.w dudelectron configuration 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 thzk4k vc89 k+xtree electrons?

Correct Answer:    

Mark Problem
50#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  High-energy photons are used to bombard an unknown metalr 1 ktnx+ bgv gb20ie3gcl334o. The strongest peak is found for X-rays with an energy of 66 keV. What is tg3g 33itbov ebn0+c l214xrk ghe atomic number 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 subje-v24h-eor fy rct to vfe-oh2 y4-rr50 kV?

Correct Answer:    

Mark Problem
52#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In a ruby laser, an electron jumps from a higher energy level to a lvijj44 du,fat-/ zu5lower one. If the energy differ, iul-j5/u 4jfz 4avtdence between the two levels is 1.8 eV, what is the wavelength of the emitted photon?

Correct Answer:    

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