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习题练习:Classification of Matter A.1 Periodic Table Elements Classification



 作者: admin   总分: 51分  得分: _____________

答题人: 匿名未登录  开始时间: 23年12月24日 22:43  切换到: 整卷模式

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1#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which of the statements below9f*/qsve ldl0 gives a correct feature of a ligand?

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2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which of the following can behave as a 8qo cd mjq3ub60ui)+k ligand?
I. $BH_3$
II. $NH_3$
III. $CH_4$

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An outline of the periodilw,n5z+iko9+x*/ h a whoi,hlc table is shown below:

Which of the following are the correct names for the groups labelled X, Y and Z?

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4#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which of the below is a characteriss ;*t3,k3r ,tbj q .lj9gd, ne/jcaqgctic property of transition metals?
I. Catalytic behaviour
II. Coloured compounds
III. Variable oxidation states

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5#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Chromium appears to k 8c17 th07 fsrle.ptfthe right of vanadium in the periodic table, as shown below:f 78r0khetlc 7.f tps1

Which of the following statements is true?

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6#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which of the following salts would form coloured solutions when diu w )bs:1otd7zssolved in water?od1 sz :7)twub
I. $CuCl_2$
II. $ScCl_2$
III. $ZnCl_2$

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7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which chemical equation represents the definition of fir wg3/dhr)grd25 cuo9 nst ionization energy?

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which of the following is NOT w;pt- n 5.rfkja potential component of acid rain?

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9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The $d$ orbitals of the $[Zn(H_2O)_6]^{2+}$ ion are split into two energy levels.
Why does the $[Zn(H_2O)_6]^{2+}$ ion appear colourless?

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10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  All rain is naturally acidic due t *knf*t y +0(hlhlsxlaxi2,z*o dissolved __________.

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11#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which element would have the least attraction foxrul)vh,wpa 9 5r16cur a shared pair of electrons in a covalenp6 5, c1)xr uauhvrlw9t bond?

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which of the following ppng8youo 7l4mb) s v2y5) l7vis NOT true of metals?

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13#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
Iron is a magnetic element in the f8pgyxj*au 2/ 2 fnvk;1v0hp jrirst row of the $d$-block.
1.State two characteristic properties other than magnetism that allow iron to be classified as a transition metal.
2.State the full electron configuration for an iron atom.
3.Suggest why iron is more magnetic than scandium.
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14#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A group 2 metal oxide dissolved in water would produce a solution that isa9tq1 d3ckpg9 41zrva :

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Metalloid elements play important roles in electronic*s okbgq1e*u b1*rn- a*pbtb4 components, such as solar cells and computer chips. Which of tu* b*q -g4k eb1 *1nrpabbst*ohe following is the correct definition of a metalloid?

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16#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
1.The valence electrons in I2IX​ are farther from their nu7hl mk 3yt)64q fzbt;bclei than the valence electrons f) mtlz7hb4 ;tyq6 b3kin $Cl_2$. Explain how the size of the atoms in a covalent bond can affect the relative attraction to electrons and hence the bond's polarity.
2.Calculate the electronegativity differences and then deduce the type of bonding in the following compounds $Cl_2$,HCl,and NaClClX​,HCl,and NaCl (Refer to Table 8 from the data booklet) .
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17#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which of the following elements has the highesk3*sr q2g8 ucpt first ionization energy?

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18#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which one of the following statements abou4yrvl xm2+dnk,.k.r3akiz i: t acids is/are true?
I. Acids will neutralize bases to form salts
II. Acids produce solutions with pH greater than 7
III. Acids ionize to form $H^+$ ions when dissolved in water

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19#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Electronegativity decreases downj,wi kf g:d97k the group. The two main factors causing this trend areg j9ikkd 7w:,f:

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20#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The electron affinity of carbon is ajhc2h j k)re/x3awrg ,a7(kce*p 06f$-122\,kJ\,mol^{−1}$, whereas the electron affinity of boron is $-27\,kJ\,mol^{−1}$. Which statement below best explains this difference?

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21#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
1.(1)State the full electron configurations of an N atom and O atom.
(2)Draw the orbital diagrams for an N atom and O atom.
2.Compare and explain the difference between the first ionization energy of oxygen and nitrogen.
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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  For elements in the same row X or column Y of the periodic shps rebq fb+h.,c,,/table, some features of the outc,r ephh/+ ,sqs,b.bfer electron shell remain constant.

Which of the following is correct?

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23#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
Scandium is a transition metal that can form both 2+ and 3+ complexe m;ygrrjp272 qt (np1bs.
Draw the electron in boxes notation for the 4s and 3d electrons in an $Sc^{2+}$ ion.
State the equation for the third ionization energy of scandium, and indicate which electron is lost
Explain why $[Sc(H_2O)_6]^{2+}$ is coloured whereas $[Sc(H_2O)_6]^3+$ forms a colourless aqueous solution.
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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which gives the correctpy zut1 23g;q9.k:r; zftp e7g..djpmx mrtz1 correct value of $x$ and the shape of the $Cu^{2+}$ complex, $[CuCl_4]^{x-}$?

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25#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
Each element contains a different arrangement of ek1: f piao+/ *4shcm(kkr pm,mlectrons, and these electron configurations can also be represented using orbital diagrams. Determine the identity ofrm1 :*(f mo a,k/k4pki msch+p each element described below.
1.$1s^2$ $2s^2$ $2p^6$ $3s^2$ $3p^6$ $4s^1
2.$[Ne] $3s^2$ $3p^6$
3.In Period 33 with valence electrons of $3s^2$
4.
5.An ion with +1 charge, with valence electrons of:
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26#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the formula of the compound formely6ecpnyr k vtc7 5kh*( ,(-pud between lithium and nitrogen?

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27#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which of the following is the correacr68o1n0: )y 2v z+heqh cxygct formula for strontium sulfide?

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28#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Metal M is in group 2 of ne )igvvy02(; nw7qgnthe periodic table. Which is the correct formula?

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29#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Metal M is in group 2 of the periods(i-ztwik7j 0ic table. Which is the correct formula?

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30#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Atom X is an isotope of an alkali metkute25 :h;gtzal. Which of the following is a possible symbol ft ek:2gz uh5;tor atom X?'


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31#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
An atomic nucleus of element X ic6)225 i)trx,je gihrr wr;mms surrounded by electron shells, as shown below:wri2m 6t)cj5, reh;rmr)xg i2

1.The diagram does not fully describe the electron configuration of the atom or ion or the identity of element X.
(1)State why it is not possible to determine the position of element X in the periodic table from the electron configuration alone.
(2)An alternative method for describing the electron configuration of an atom or ion is to draw the orbitals as boxes and the electrons as arrows. The box-and-arrow diagram for a helium atom is shown below:

Draw a similar diagram for the atom or ion of element X, including labels for the occupied subshells.
(3)Suggest the block of the periodic table in which element X is likely to be found, giving a reason for your answer.
2.Element X could be found in group 1 of the periodic table.
(1)State the name given to elements in group 1 of the periodic table.1
(2)State the most likely period number of element X, assuming that the electron configuration in the diagram is as close as possible to that of the neutral atom.
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32#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The complete electron configurationje*g0arp q780q l aa4 g-dn8tn of a neutral atom is shown below:

In which group and period of the periodic table would this element be found?

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33#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which compound contains twoaik tdyd6q-)ya- ,5k m different elements with identical oxidation states?

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34#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which of the following statements regarding the periodic table are corr; ;qpeuk 3zef:36oi chect?
I. Anions have larger ionic radii than the atomic radius of their parent atom
II. Elements in the periodic table are arranged according to their number of protons
III. Elements within the same period will have similar physical properties

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35#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
The table below contains data for the elembmqqa30 d-u f)a)-oxdents nitrogen, fluorine, sulfur and chlori0 dxam)qfuo3q -d)ba-ne in no particular order:
Element is 1 ; Radius ($10^{−12}\,m$) is 71 ; First Ionization Energy ($kJ\,mol\,^{−1}$) is 1402.
Element is 2 ; Radius ($10^{−12}\,m$) is 104 ; First Ionization Energy ($kJ\,mol\,^{−1}$) is 1000.
Element is 3 ; Radius ($10^{−12}\,m$) is 100 ; First Ionization Energy ($kJ\,mol\,^{−1}$) is 1251.
Element is 4 ; Radius ($10^{−12}\,m$) is 60 ; First Ionization Energy ($kJ\,mol\,^{−1}$) is 1681.
1.Identify element 2 and justify your answer using the atomic radius and the first ionization energy data shown.
2.(1)Identify the number of valence electrons for element 1 and justify your answer using
the atomic radius and first ionization energy data shown.2
(2)State the electron configuration for the common ion formed from element 1.1
(3)Using section 9 (Section 10- 2025 Syllabus) in the data booklet, compare the size of the ionic radius of the common ion formed from element 1 to its atomic radius. Explain this change in size.2
3.An electron affinity for element 1 is not published and the electron affinity for element 4 is -328 $\,kJ\,mol^{−1}$. In terms of atomic structure, explain why element 1 does not have a value for electron affinity.
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36#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which of the following statements k0-e1o/wxoz:j nh 7qg are true regarding the transition metals?
I. Only the electrons found in the d orbitals are involved in bonding
II. Transition metals typically have higher electrical conductivity due to the metallic bonding of the d orbital electrons
III. All of the 3d block metals will form colored compounds

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37#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which of the following statements regarding fnu6zf 43zh r (jg:n6sthe melting points of elements are co6fsu36(jn:nz4g zfhr rrect?
I. Group 17 melting points increase down the group due to increased covalent bond strength
II. Lithium has a higher melting point than potassium
III. Bromine has a higher melting point than chlorine

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38#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
The period 3 elements magnesium, silicon7) :pof fii9bs/m 2ivx and sulfur are found in the second, fourteenth and sixteenth columns of the pmi v)ib 9f2sp:f7io/xeriodic table.
1.State the name given to a column of elements in the periodic table.
2.State how the numbers of electron shells and outer shell electrons vary across period 3.
3.Selected physical properties of magnesium, silicon and sulfur are given in the table below:
Element is Magnesium ; Appearance is Shiny, grey ; Mechanical properties is Ductile
Element is Silicon ; Appearance is Shiny, grey ; Mechanical properties is Brittle
Element is Sulfur ; Appearance is Dull, yellow ; Mechanical properties is Brittle
Explain how the positions of the elements across period 3 help to explain their similarities and differences.
4.Period 3 contains more elements than period 1 but is equal in size to period 2. Suggest why the number of elements increases between periods 1 and 2 but not between periods 2 and 3.
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39#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
Copper is a transition metal that reacts with chlorine to produ*:4n/e xmcalj ce both $CuCl$ and $CuCl_2$​.
1.State the charge and electron configurations of copper ions in each of the above compounds.
2.Use your answer to part (a) to explain why $CuCl$ is a colourless compound whereas CuCl2CuClX​ is green-blue.
3.In the presence of excess HCl, copper ions form complexes with chloride ligands to produce $H_2[CuCl_4]$.
(1)Explain why chloride ions are able to act as ligands.2
(2)Deduce the charge of the complex ion.
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40#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
1.The bonds in ammonia 7u1u4fh9md rg zcx7*i($NH_3$​) are polar covalent.
(1)Draw the Lewis structure of ammonia.
(2)Explain why the covalent bonds in ammonia are polar.
(3)State the molecular geometry of ammonia.
(4)Explain why the bond angle of ammonia differs from that of the ammonium ion, $NH^{4+}$.
2.The boiling points of ammonia and the other group 15 compounds are shown.


Explain the variation of boiling points shown in the graph, using section 8 ($Section\,9- 2025\,Syllabus$) of the data booklet.
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41#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
Magnesium is an elemqtqd4 ,wdg,2,7 ;qk(.btbjjo dlrr9x ent in group 2 of the periodic table.
1.State the full electron configuration for magnesium and the block it can be found in the periodic table.
2.Explain how successive ionization energies can prove that magnesium is in group 2 and period 3 of the periodic table.
3.State the equation for the second ionization energy of magnesium.
4.State an equation for the reaction between magnesium oxide and water, and comment on the pH of the resultant solution.
5.By referring to their relative ionization energies, compare the metallic behavior of magnesium to calcium and beryllium (values from the data booklet are not required).
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42#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which statement regarding the pmcavoxgg+t001 y j /n;eriodic table is true?

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43#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The complex ion $[Cu(NH_3)_4]^{2+}$ appears a deep blue color in aqueous solution, whereas $[CuCl_4]^{2−}$ appears a green color in aqueous solution. Which of the following statements are correct regarding the two complexes?

I. $[CuCl_4]^{2−}$ appears a green color as a result of the red light being absorbed because $Cl^−$ is a weaker field ligand than $NH_3$​
II. $[Cu(NH_3)4]^{2+}$ appears a deep blue color as a result of the blue light being absorbed because $NH_3$ is a stronger field ligand than $Cl^−$
III. $[Cu(NH_3)_4]^{2+}$ appears a deep blue color as a result of the orange light being absorbed because $NH_3$​ is a stronger field ligand than $Cl^−$

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44#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which is in the correct order from smallest to largkn6u qx76wla2 est radius?

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45#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
The oxides of two period 3 elements, X and Y, rff4* zwuc* rt*eact in water according to the equations below.z 4**ucrt f*fw
I. $X_2​O_{(S)​}$​ + $H_2​O_{(l)}​$ → $H_2X​O_3$$_{(aq)}$
II. $YO_{(s)}$​ + $H_2​O_{(l)​}$ → $Y(OH)_2$​$_{(aq)}$
1.Identify elements X and Y. Justify your response.
2.Predict whether element X or Y would have a higher melting point. Justify your prediction.
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46#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which statement regarding the first ionization energies 99gjpmlr:7o 7*xlyvz (A(g)→$A^{+}$(g)​+e-) of the period 2 correctly supports the evidence of sublevels in atoms?
I.Each period 2 element shows an increase in ionization energies across the table from left to right
II.Boron has a lower first ionization energy than beryllium because boron has an electron in the 2p sublevel
III.Oxygen has a lower first ionization energy than nitrogen due to oxygen’s greater effective nuclear charge

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47#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The oxidation state of Cr does not change in all of the foll+4 -t3uxm+ je. eqnoqqowing except:

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48#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The oxidation number of X is the same in(8o( bgfnj*q-b) p44 jvdanqk all the following compounds except:

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49#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
The successive ionization energies for element X is shown bq)hqh* r3 va3vy :v(waf; f-sin the table below:
Successive Ionization Energies ($kJ\,mol^{−1}$):
1st IE2nd IE3rd IE4th IE5th IE6th IE7th IE8th IE
1000 2252 3363 4556 7004 8496 27108 31724
1.Write the equation that represents the 2nd ionization energy of element X.
2.Predict the number of valence electrons for element X and justify your response.
3.Another element, Y, is found below and in the same group as element X in the periodic table. The electronegativity value of element Y is 2.6. Predict a reasonable value for the electronegativity value of element X. Explain your reasoning.
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50#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which gives the correct orn0fg5zw dp,iqoero8ub( 3d :, der of increasing radius for these isoelectronic speci:obunoid( 5pe8gdq,f w3r ,z0 es?

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51#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
The bidentate ligand, phenanthroline (phen) has the structurthk h(0) v7n2o x87pets.g rome below.



1.Use the diagram above to demonstrate how phenanthroline can act as a ligand to $M^+$ ions.
2.Phenanthroline forms the complex $[Cr(phen)_3]^{3+}$ with chromium ions.
(1)State the charge and the electron configuration of the central chromium ion.2
(2)Explain why the salts of $[Cr(phen)_3]^{3+}$ complex exhibit magnetic properties.1
3.The tetradentate (4-coordinate) ligand, salen, forms complexes with $Co^{3+}$ ions and can produce the compound [Co(salen)]Cl. Deduce the charge of the salen ligand.
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