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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 eley-izkxwgg;v*q -c3q /mlvu,4 ,7kc xmctron in a hydrogen atom is directly proportion 4 -qmcg*v-mk;k7giwx3cy /u ,qx,lvzal to its

Correct Answer:    

Mark Problem
2#
 
Free-Response ( 1.0 marks) Whole-Paper View Save Problem  
State Heisenberg's Uncertainty Principley+ 1 (smjgkgels 5/z2;v9 nr7/zhyneh.
Correct Answer:    

Mark Problem
3#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The reason the position of a particle cannot be sp x1vzb 2ns82ul o*h;dfecified with infinite precision is th1o2n 2;sxl fb*hv8zd ue

Correct Answer:    

Mark Problem
4#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  If the accuracy in measuring the position of a particle increases, the accuracy od; u8m3+lcahv rqi46in measuring it d6imcl4a r+;h 3qou8vs velocity will

Correct Answer:    

Mark Problem
5#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  If the accuracy in measu) a7dt+tof x(uring the velocity of a particle increases, the accuracy in udxt o 7a(ft+)measuring its position will

Correct Answer:    

Mark Problem
6#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The quantity "h-bar" has a value of:;g xhp b s2o:4myz33cfuwd8i

Correct Answer:    

Mark Problem
7#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The principal quantum number can have any integejxwsb: k ejxoq1/au j5g453vk4ga3. nr value ranging from

Correct Answer:    

Mark Problem
8#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The orbital quantum number can have aymi)a8krg69o0n jxj 7mt 1hz3 mx. :xrny integer value ranging from

Correct Answer:    

Mark Problem
9#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The magnetic quantum number can have any inte h1ikq)j;fbe rj:e 1u6ger value ranging from

Correct Answer:    

Mark Problem
10#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The spin quantum number can have ut6k v ecb4v01x v07jsvalues 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 number e mqv 2.7jcrqhe/.y 0sav i:x1for n?

Correct Answer:    

Mark Problem
12#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  If n = 5, which one oc:3guha7u qa +t0 1ruef the following is not an allowed magnetic quantum number?

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 three quantum numberoxu )v:19iec e l;fu1cs3 jw1is $n$, $l$, 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 solutions only if the three quantum num.dd-fklt a()xf3d ws ed6 :0plbers $n$, $l$, 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 the three quantum num4k(5fhj eq7otbzko a91e* 6n jbers $n$, $l$, 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 quana)yi iab 8y6atri8 )1ntum numbers ($n$, $l$, $m_l$, $m_s$) 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+4b7,.c tlpl pgkriwj p: 2;pf is emitted or absorbed, transitions can only pfkbcr;7wgp., +ltl42ipj p : occur between 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 electrog :xc0u3/mtfg)9t q r2vpf8xfns in 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 princmfoza c96 4,ueiple.
Correct Answer:    

Mark Problem
20#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In terms of an atom's electron configuration, the1dfp s id eech)09z (v7z n0zdwtx8t45 letters K, L, M, and N refer t5pd z 9xh80w0ifz)71nsecv dz 4tted( o

Correct Answer:    

Mark Problem
21#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  What is the maximum number ul/lxuhei(o,: 7 dy *uof electrons 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 states are there in tt:r;jin77a q zhe $5f$ sub shell?

Correct Answer:    

Mark Problem
23#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The elements in the periodic table that have completely filled shn;e j6s *lydl2p-0wzyxw e(o*ells or subshells are referred to assw-e0 6(j*;nx pyzd2loyw* le

Correct Answer:    

Mark Problem
24#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The elements in the periodic table which lac luwjo)t hb,t28:i5 sfk one electron from a filled shell are referred to ts 2jh owfib85t,:l)u as

Correct Answer:    

Mark Problem
25#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The elements in the periodic table which n gu 1iq3arp23ag4 -zfhave a single outer s electron are referred to asa3gngr4 a3if2-qp u1 z

Correct Answer:    

Mark Problem
26#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The word LASER is an acronym g8+vr:9 btu qbe0dw/+i omoa8 for

Correct Answer:    

Mark Problem
27#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In order to produce a hologram, one neee/(3n dmog su3n ;q7xurw.a 7eds, in addition to an object and a piece of photographic fiw(u;gqeu as7m3 n.r xdo7en3/ lm,

Correct Answer:    

Mark Problem
28#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  When a hologram is illuminated withr pty* gwbt;b(4y5 tqvs+w8 l4gj) ug7 a beam of coherent light, it produces

Correct Answer:    

Mark Problem
29#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  An electron inside a hyd; rpb rya,; gscb1lv4cib8grbv;k/;;-bbav 5rogen atom is confined to within a space of about 0.110 nm. If the electpa;;igrrb,vb ;1k4b8 /g5abv; clr s-yb c ;bvron mass 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 known to an acv v5e4vk:z za6curacy of eva z k46v:v5z1 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 ely9ya b9npp,h(5q)4w *wvrqoqectron'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 g and speed 45.nfu+m alri;2+a yor4 ;0 m/s, with the speed known to within 0.100%. +i u2an4;fro r;ma+l yWhat is the minimum 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 uncv y49+dc ;e,dkj*ysoa ertainty of about 0.500 eV. What is the uncertainty in the life-time of the levo* yyk4d d+a,9ej;vsc el?

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 0.1 nm. Wharhchp aywf9o8.g 87(z t is an approximate expression for the least kr8hhz8pwagf yc9 ( 7o.inetic 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 nucleus15qx ab /z2akp 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 3ctepxu ;xt 3omf 20r2;jfe m.the $6h$ 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 i, 1yo,vindks r356lddn 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 the +42disk3pi7r po j bde u.e1y9$6h$ 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 thq6me k r+nd03ul( o)o03m 9qt2yc*ozidux 0uwe $6h$ 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 = agld9f*dxr 3q:x4f- f 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 electron has l =l9 1az,dxj-phdqga pw 4-b3*k 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 =w n;htpxec,91 7 can exist in how many different quantum statesc ht9wep;n ,x1?

Correct Answer:    

Mark Problem
43#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Consider ground-state helium holding nxwv96g w+t 4qi/c.ni6br 5lg2 9x y-iv4 ptlptwo electrons in orbit. If one of the electrons has quantum numv4g62xw5vt y4 n.bn 9 r-9twi6pg/xi+cliqplbers ($n$, $l$, $m_l$, $m_s$) 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 wwt fgxi6.)p a+ill fit 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 r6or1x/coqdx2*i sz5 l 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 eleavs,ixg/9 .ym dkfw6 g7vguvb)09 d5p ctron 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 ck gz(2sxur nq9 eh723uonfiguration 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 and*zzcu8kxm(9ntj5u + z .(.c.mqgst q electron 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 threehxrx3 p db/zxco*b+4 ):;mu wr 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 metal. The strop0lsd*f s*)vwffa 8 t2ngest peak is found for X-rays with an energy of 66 keV. What is the atomic number of w a)f*l80sdp 2sfft* vthe metal?

Correct Answer:    

Mark Problem
51#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  What is the shortest-wavelength X-ray phzi*aeq .2 h-+mg r)vbvoton emitted in an X-ray tube subject to*mav e)vqb-+hg2r.zi 50 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 levelsd 48 6vm5vlnl to a lower one. If the energy difference between the two levels is 1.8 eV, what is the wavelengt4vnsdl v6 8ml5h of the emitted photon?

Correct Answer:    

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