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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 electron in a hydrogen atom is din /edit:ptz0: rectly proportional/zdp:0t: tnie to its

Correct Answer:    

Mark Problem
2#
 
Free-Response ( 1.0 marks) Whole-Paper View Save Problem  
State Heisenberg's Uncertaing84iql8l8hb4bqh :d j n*9qfjj(d pt2ty Principle.
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 9ca 8eh-:was nwith infinite precision is thac wh9 s8ne-a:e

Correct Answer:    

Mark Problem
4#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  If the accuracy in measuring the cqk,1ty( jb ,qposition of a particle increases, the accuracy in measuring its velocity wiq(j,, 1qtcy kbll

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 increases, thcx.e6p(2tfts rd /jm8e accuracy in measuring it2dprxf /tsj 86(te .mcs position will

Correct Answer:    

Mark Problem
6#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The quantity "h-bar" has a valueit64kbzu 7 p8iq w1x9i of

Correct Answer:    

Mark Problem
7#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The principal quantum number m b; e(8tq5ffacan have 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 integ8/ yq .pxni:puts,dx7: f-t hrer 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 integer value ranging fromx7c cuu+vx(sgq7y0l9ox/ p9 fjk f7 vdr3(c-b

Correct Answer:    

Mark Problem
10#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The spin quantum number can have 34es+kv+orgo42 0zzh(bnh mhvalues 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 foism*/6v96mva ptbp z7r n?

Correct Answer:    

Mark Problem
12#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  If n = 5, which one of the follz fas37at +xi)owing 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 tn7.fm 6dom2t .zm /g-/ fmeccthe three 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 solutions only if r8 -4mqci vw+dl.fv+vdf 4b)n yfmh98 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 the three qua hc i1,b58q*haqe99lub( ufp mntum 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 quangm75ho)qubiq pme e*e47q *f 8tum 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 selectioqo: ursxl)-c(2 ;hazin rule, when a photon is emitted or absorbed, transitioniu) lxo2;- :zqc(arh ss can only 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 electrons in a neutral atom is called it1u s:q+, fne dhvur3e7s

Correct Answer:    

Mark Problem
19#
 
Free-Response ( 1.0 marks) Whole-Paper View Save Problem  
State the Pauli exclus k 7lltdlg6c: cd,lvc0;wd98tion principle.
Correct Answer:    

Mark Problem
20#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In terms of an atom's electrozc 5ggn- 51aw*9 ,ikua4fdvvkn configuration, the letters K, L, M, and N refer taf i5wv -g*1ak9 d cuzn,kg45vo

Correct Answer:    

Mark Problem
21#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  What is the maximum number of electrons that can occupy the 883z7u1 t fsumgsqlp6$g$ sub shell?

Correct Answer:    

Mark Problem
22#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  How many possible sets of quantum numbers orjnb0nn 2 ej.k6zez ;-y 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 that have completely fif5l mv+mi*k 1rzebt-/o6kaimt ,c) ,olled shells or subshells are referred t m ezt,r)maic6*-fmvkkboil/o 1, t5+o 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 electro bx ei9ji0)5ttn from a filled shell are referred to ab) tje05xi 9its

Correct Answer:    

Mark Problem
25#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The elements in the periodic table which have a single outer s elp8zw(+ ;e7i; cm mqzfkn,/jutectron are refercikzuw/m8p+ j mz ;(;,qefn7 tred to as

Correct Answer:    

Mark Problem
26#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The word LASER is an acronym for ogfm.cqs/17 hb (s4uj9k/k eg

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 pi,sjjlrd ,/++g zs(wki ece of photol/zj,w(grj + s+,dsikgraphic film,

Correct Answer:    

Mark Problem
28#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  When a hologram is illuminated with kb r3484dgs ra6h6y yjyw54 zta 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 s(om0 :m7b:l mzz)xyp hydrogen atom is confined to within a space of about 0.110 nm. I) b:z pxom :m7zmsyl(0f the electron 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 afnl8+i,gf)s.ty b eyac8 x z8h4d56y sn accuracyyl)8+cgf8sa dx4 nz y eb6h5, itfs.8y of 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 electron's speed is n0yanrg ct8.2xn(w1i $2.0 \times 10^6 \; m/s$ 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 45.0 m/s, weu0v,*/du :gxj ktu3 lith the speed known to within 0.100%. What is the minimum uncerg,l3u/ 0ed*tj uvx :kutainty 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 eV9fj j a;1f* .a 6lj;jwpmig3wj. What is the uncertainty in the lifp 1 jjw96; ;fjj mwigfjl.3a*ae-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 widt :yol fn).mvn*b,;g klh 0.1 nm. What is an approx, nmlk.blof*ygn);v: imate 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 nucleus is ab em 9u,vk:u8zld o7ln/out $5.0 \times 10^{-15} \; m$. 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,gc5w u j3t5az 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 inl lx8*1uz 4j8c5o- ec htv6xah 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 u/ s3m 2;bfgcc$6h$ 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 pu a sw)s: m7b-7tg7sxthe $6h$ 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, pq:m8/ 3uy d7+a*jm mop zg:ltf3pu4ua given electron 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 electron has l = 7. Hok,8rgkc359i oae(vsf7 e :hp vw 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 ele-x1c n-jqz d)rctron with n = 7 can exist in how many different quantumq -c-zr d1xnj) states?

Correct Answer:    

Mark Problem
43#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Consider ground-state he)vu;) vxk yam,lium holding two electrons in orbit. If one of the electrons has quantumva;km)xv y,)u 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:    

Mark Problem
44#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  How many electrons will fit i)xsy ki,sp3k80 f/.iu )gjjdento 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 o 0p 2uk32m5qjwres/ ofor a $4f$ sub shell are

Correct Answer:    

Mark Problem
46#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A neutral atom has ele0*rnb 1yxx(l ictron 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 configuration o:qk()mx33tng 3ln ;u*jxg at vjwrj:3f $1s^22s^22p^63s^23p^2$. 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 configuratiom 5c+p*qo e1han 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 fori7tm9tv lug /2i50jo9apqf4q Li which has three 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 merk8x hxbe.a /(tal. The strongest peak is found for X-rays with an energy of 66 keV. What is the atomic num x.b(8xek /ahrber of the metal?

Correct Answer:    

Mark Problem
51#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  What is the shortest-wavelength X-ray0;phe-qij2,dwts a 7 v photon emitted in an X-ray tube subject to 50 kV;peqaw7v0 t-i,2jd h s?

Correct Answer:    

Mark Problem
52#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In a ruby laser, an electron jumps frorn uw, hx6 4a)5t8w8ewji:kjzm a higher energy level to a lower one. If the energy difference between the two levels is 1.8 eV, what is the wavelengthi:xw6 jt8z ,wu 8a)r5wenhk4j of the emitted photon?

Correct Answer:    

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