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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 pp 739uvqat. xg f0u0bnroportional to its73n0.baxu0tu fqp v9g

Correct Answer:    

Mark Problem
2#
 
Free-Response ( 1.0 marks) Whole-Paper View Save Problem  
State Heisenberg's Uncertainty Prin. ysps+743 3j cezskynciple.
Correct Answer:    

Mark Problem
3#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The reason the posit5d9 z t;/ 9:jz3zk/chorriwl tion of a particle cannot be specified with infinite precision is thekzzhdtwlc5jo;9i9zt/3r r /:

Correct Answer:    

Mark Problem
4#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  If the accuracy in measuring the pos41 oujp egzl/0 qnqs6y7:qb 0qition of a particle increases, the accuracy in measuring it pq es17qj0nz/4g:uoq0qbyl 6s 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 increases, the acdxh1 9s;py ovi7i ta n6q:k*bc7i-b6gcuracy in measuring its -*q7t h 6sibd b7;npxigkvyo6aic:1 9position will

Correct Answer:    

Mark Problem
6#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The quantity "h-bar" has a val/ ymjx-i kbt/-ial5 *vue of

Correct Answer:    

Mark Problem
7#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The principal quantum number can hjz fortd05dqi5vm c. d ,1c-/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 rangifi3w *kj+: qw4xl ;ixang from

Correct Answer:    

Mark Problem
9#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The magnetic quantum number can have any integer (;dpce;7w*vjk fs;1bzhs n9 mvalue ranging from

Correct Answer:    

Mark Problem
10#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The spin quantum number /s goghsb8rd ,0hlvlm dh0/);p6s pe 4can have values of

Correct Answer:    

Mark Problem
11#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  If l = 4, which one of the f) f/6g g5zqm 8/x twk 5s:joe3smdb., uo4cybfollowing 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 magnetic quantum number ztyh mcz9 +hm5lcu.08?

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 th a5g2l, ng3vhhree 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 ifb h0d)zd.* xli0m siv. 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 r l4qh6(p/b4m7 h:ky k,uhii,qzf 8kxthree 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,5ot rygvp98vruv9ff*8-w e2 o the quantum 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 photon3*97-eqg gdsq2 h jfj ts c-ugj2rx:s9 is emitted or absorbed, transitions can only occur between state with values of l thauc-st937:jr qd* hjxe2ggfqg sjs2 9-t 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 uu.1a jui9 (ir5l2gbw ;s+cr zits

Correct Answer:    

Mark Problem
19#
 
Free-Response ( 1.0 marks) Whole-Paper View Save Problem  
State the Pauli exclusion prin xfv mr3m+(qx8ciple.
Correct Answer:    

Mark Problem
20#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In terms of an atom's electron configuration, the letters4e1z; bnku ik0 K, L, M, and N refer tkkz1 e40;ubn io

Correct Answer:    

Mark Problem
21#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  What is the maximum number of electrons t+uxqc(0qfe)g8f 40r+)4xucwgn)m unkki -lq hat 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 s:nle uj, *z8,riotjz5;zs; p 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 completedq r4 tko 2-4//tvpqtrly filled shells or subshells are r2qortqtv/p4-rt/ kd4eferred 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*zfu)4:.nvhe j1sl 8: enbx hb are referred nf 1 zbj*e4h) :lsn hu.8evxb:to as

Correct Answer:    

Mark Problem
25#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The elements in the periodic table which hashy6(.9 3kzpx ust-dcve a single outer s electron are referred to -9y udpk zcst(sh6.x3 as

Correct Answer:    

Mark Problem
26#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The word LASER is an acronym 4l3sb+jj m6u7b d unf9for

Correct Answer:    

Mark Problem
27#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In order to produce a hologram,pcze.t7qd + ;uigjsn z.1i:r2ya (d. p one needs, in addition to an object and a piece p; (au.:rzpqsjyidi2 .gzdtn7+e.1c of photographic film,

Correct Answer:    

Mark Problem
28#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  When a hologram is illuminated with ab/780/y ntyhxi7l 4) wpk6 .o cbyitge 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 hydro :4y drz3ud6cm0 og5hbgen atom is confined to within a space of about 0.110 nm. If the electron mz c 3rhdud4m0o:y g5b6ass 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 d jxa:k*l ynt7f )v:*p2000 m/s is known to an accuracy of 1 part i:d*xnv tky:a*jp)7lfn $10^5$ (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(*n;il/,5 i(mjy xmf opoe;zf'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 )yozg0uh r 4jq9qpghs* 6r16u 143 g and speed 45.0 m/s, with the speed known to within 0.100%. What is the minimum uncertainty in the position ojgyq)r 14psr6gqz9h hu0*ou6f the baseball?

Correct Answer:    

Mark Problem
33#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The energy of an electron state hay7wcf2 0nnz dd/j88fds an uncertainty of about 0.500 eV. What is the uncertainty in the life-td7z/2ncw 8dnjf8f0 dy ime of the level?

Correct Answer:    

Mark Problem
34#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  An electron is known to be jk g b/a7r6: n0xw-otyeskgdf m w2+;8confined to a region of width 0.1 nm. What is an approximate expresgf k 6ngs8-xj;+mw 2yo w/ad0 t:rb7kesion 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 spept o/v ;zz11(it r -.z)ejgabout $5.0 \times 10^{-15} \; m$. 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 thewl: xarqds y ew- 79n(z3a;tkhv43+h 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 in fiktd1 o44,-fjkha m8 bwr3)b 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 t.4 yji)fy)larm85 svcd00c j $6h$ 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 th)(yjxmw *bptu-;+9vur5vf hdsbv1z0 e $6h$ 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 elect*:vnge)fo ba(ron 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 fx -6 y51awox 9(ffqej,8deve= 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 how madm)l fhuz3of 2cw 6w230kxwc rqqr)m-pr h;(+ny different quantum) k3m0 ozr6q ffw+cr)p; d2w 2lc-ru(hh3mq wx states?

Correct Answer:    

Mark Problem
43#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Consider ground-state helium hol f:iz/pl2ih)flz3 gh2 ding two electrons in orbit. If one of the electrons h3fg2 zhfliihlp z)/2:as quantum 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 fijy03ddxu r0h wr)g3qi - *iu7t jly2p2t 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 ff-j 0fqrt8mjd4 jo) r+u;cp9 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 conf),xhlj 7nnlg z7o4z +figuration $1s^22s^22p^63s^23p^2$. 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 co fn9/.h2 q3jks gv2nbenfiguration 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 configuration o5 yt+ber f r4gt51qy-tpswa( *a9cgb)f $1s^22s^22p^6$. 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 configukv8s)2l:viv*go uj 0z3f m (sm yagc13ration for 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 me2r8vr ;f,s-*dluiiqc 0oozj5 u0z- uutal. The strongest peak is found for X-rays with an energy of 66 keV. What is the ator,qujfuo 0i; 5u2*lsvi0dz -r8 zu-comic 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 subjemcw*9)d g1bl/:pl27q j )y;zvhxuq oict to 50 k d) :vpqocuy/q1 );zim2 hj7xwllb9 g*V?

Correct Answer:    

Mark Problem
52#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In a ruby laser, an electron jumps f9jfsia; a9 ,:rnmnxj*rom a higher energy level to a lower one. If the energy difference between the two levels is;xmfijsa:*,a n 9j9rn 1.8 eV, what is the wavelength of the emitted photon?

Correct Answer:    

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