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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 directly proportionzrq3 ;4q4unnqwoqe 39ul; 5wkk;3qwqqq u3no5r;wlzen 494u al to its

Correct Answer:    

Mark Problem
2#
 
Free-Response ( 1.0 marks) Whole-Paper View Save Problem  
State Heisenberg's Uncertainty Princ,t +s9d i.kqzyiple.
Correct Answer:    

Mark Problem
3#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The reason the position of a vl)2fyb 9lx9 4abude ui+p g86particle cannot be specified with infinite precision is8vig2dl6p 9+u ) uya4fexb9l b the

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, theio 3adix7q/d-)(j cbt accuracy in measuring itsx3odc7)iqi(j/ -a t bd velocity will

Correct Answer:    

Mark Problem
5#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  If the accuracy in measuring e20 rsip: d(53pmcukcthe velocity of a particle increases, the accuracy in measuri0e3r2puki(:mc d c5p sng its position will

Correct Answer:    

Mark Problem
6#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The quantity "h-bar"9g+zkz2a l bh 2.gp*hk8 pl6bi has a value of

Correct Answer:    

Mark Problem
7#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The principal quantum number crb122nri+unh)g * le w5j,fgf3-src c an 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 integer value ranging k;/j evk+ -tieq*h-ow 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 rang bbi+yksr5 f(2l j,fc6uvc3k8 ing from

Correct Answer:    

Mark Problem
10#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The spin quantum number can havl(:5dx hjeh18cwf) qqejky ;2e values of

Correct Answer:    

Mark Problem
11#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  If l = 4, which one 1td;da9q o ayb8bw75g of the following is a possible quantum number 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 magnetic2 jt4tu2utf p,qkt8 ,a 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 quantvys5r7;.dvqpl x 3 jaq:t q:-pum 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 the three quantum nuv:ubx3w0 x .rhmbers $n$, $l$, 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 quantu oiptw, 8 j8cf6- ldf)n7f,gjlm 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 quantumwqdj5vdisgw: ,fz 10. 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, whenvkv1vb+j3t0; x hy4o1 hu;svq a photon is emitted or absorbed, transitions cant40b;osv1v qvk y hv +13j;hux 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 sz/oi g3y6.u7a kxlk; is called its

Correct Answer:    

Mark Problem
19#
 
Free-Response ( 1.0 marks) Whole-Paper View Save Problem  
State the Pauli exclufg34mz8b rs *ksion principle.
Correct Answer:    

Mark Problem
20#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In terms of an atom's electron configuration, the:hbztrisn ,rax))8n g mr9 41s letters K, L, M, and N refer to98 ts) 1m ai:rns4 brnrg),xzh

Correct Answer:    

Mark Problem
21#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  What is the maximum number of rykbt1wc83cqi b(g6n gtw5(, 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 setslg+wtsm:goqo g+)-7q yg 0 wq+ of quantum numbers 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 that have completely fil. 6w12mlqp6phwnph0l g t, h:xled shells or subshells are rehhgt: ,xmn10q hw. w6p26pllpferred 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 electron from a filled shell ,oatfa5 2j ok8are referred 2akfo8,tjao5 to as

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 ou: (p rywd5i5 buwf*fm2ter s electron are referre r :5i*(pfuw2bd ymfw5d to as

Correct Answer:    

Mark Problem
26#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The word LASER is an acronym fy*qudh i;wu-bu703. ct afq, zor

Correct Answer:    

Mark Problem
27#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In order to produce a hologram, one needs, in add 5qwc +s/aoup hv96q)pition to an object and a piece of photogwpo59+hqvspc / 6) quaraphic film,

Correct Answer:    

Mark Problem
28#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  When a hologram is illuminated with a beam of coherent light,q 3t-dh;b fg os al+x1ae(2kl, it produces

Correct Answer:    

Mark Problem
29#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  An electron inside a hydrogen atom is confined to within a space of about p22z) ,j8g/ xcogdm lfe5ih4a 0.110 nmmlj/4 a cd,oeif5h2pxg)g8 2z. If 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 lf3jf0p *ypa4lr5;dpis known to an accuracy of 1 part i0 ;d plf5fp*lj3p ra4yn $10^5$ (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 spiu 2ukzpz8wgh (pw+s+ 4kn: 9jeed 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 45.0 m/s, with the speed known to wu744xpsm6tvd v tz3jwsk rw6sp ,0n,3 ithin 0.100%. swnvjzrwv7sdxtkpt4 6p43 ,u0 m6s,3 What 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 uncertainty of abohno 8 +l( s(8r7p vhl1n:iwbdzut 0.500 eV. What is the uncertainty in t l1hl s:zd(8n8 i rhp+7ovbnw(he 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 0.1 nm. What is an app+p k4 bfawa/l*roximate expresswl p/a b+k*af4ion 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 about8n++ vk 4gfqgl (( e2bc,zz0om(xduzt $5.0 \times 10^{-15} \; m$. 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 thjs,j c hx:v )2xj+vz8re-k mk5e $6h$ 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 im*dy-o xpj0n; n 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 t x9vh( dx5,kkpfje/iy1z ,am+ he $6h$ 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 the(g7md+i0 r(em ojm1 xk $6h$ 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 hasf libzp c120.ue*a recj406os 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 l3iig r 4w;bn;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 4g-5aish i hl.how many different quantum stai h.h-l4sgi5ates?

Correct Answer:    

Mark Problem
43#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Consider ground-state helium holding two electrons: b;cnlpwv+tv*, 5abs in orbit. If one of the electrons has quana;*pwlcnb ,b v :+ts5vtum 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 fgki+ 5/ttcsi,7mb na-ddc/ 7sit 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 forud67fpc t:x6 e+c *f3k4vtd uuzz9q1n 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 clchs0e(v8z(ke bq; l.onfiguration $1s^22s^22p^63s^23p^2$. 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 of n(dr8q r17m) 1zfz mkscff6a7 $1s^22s^22p^63s^23p^2$. 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 c h6uqf6rs y62um4 zrj;onfiguration 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 2n0:ma ul4mgu 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 metal. The strongesti*e9j1 q. ( hhhn,wqtc peak is found for X-rays with an energy of 66 keV. What is the atomiq(h9h * i,cwqt he.jn1c 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-r qn8*+j4ob1nos7wc vz ay photon emitted in an X-ray tube subject to 50sjqc+*7o 8bwz1 v4onn 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 leiymj1u 99j n9mvel to a lower one. If the energy difference between the two levels is 1 j91yumm9jin9.8 eV, what is the wavelength of the emitted photon?

Correct Answer:    

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