‫ﺷﻴﻤﻲ ﻣﻌﺪﻧﻲ )‪(1‬‬

‫‪26‬‬ ‫‪60‬‬

‫ﺷﻴﻤﻲ‪(1114025) -‬‬

‫‪6‬‬ ‫‪60‬‬ ‫*‬

‫‪-‬‬‫ﻣﺎﺷﻴﻦ ﺣﺴﺎب‬

‫ﻳﻚ )‪(1‬‬ ‫)ع(‬

‫اﻣﺎم ﻋﻠﻲ)ع(‪ :‬ﺑﺮﺗﺮي ﻣﺮدم ﺑﻪ ﻳﻜﺪﻳﮕﺮ‪ ،‬ﺑﻪ داﻧﺶﻫﺎ و ﺧﺮدﻫﺎﺳﺖ؛ ﻧﻪ ﺑﻪ ﺛﺮوتﻫﺎ و ﺗﺒﺎرﻫﺎ‪.‬‬ ‫‪ .1‬ﻣﻮﻟﻜﻮل ‪ cis − N2 F2‬داراي ﻛﺪام ﻳﻚ از ﻋﻨﺎﺻﺮ ﺗﻘﺎرن زﻳﺮ اﺳﺖ؟‬

‫اﻟﻒ‪ .‬ﻣﺤﻮر ‪C2‬‬

‫ج‪ .‬ﻣﺮﻛﺰ واروﻧﮕﻲ ‪، i،‬‬

‫ب‪ .‬ﺻﻔﺤﻪ ‪σ h‬‬

‫د‪ .‬ﻣﺤﻮر ‪S2‬‬

‫‪ .2‬ﻛﺪام ﻳﻚ از ﮔﻮﻧﻪﻫﺎي زﻳﺮ داراي ﻫﺮ دو ﻣﺤﻮر ‪ C3‬و ‪ C2‬ﻫﺴﺘﻨﺪ؟‬ ‫اﻟﻒ‪SO3 .‬‬

‫ج‪PCl3 .‬‬

‫ب‪NH3 .‬‬

‫د‪[H3 O]+ .‬‬

‫‪ .3‬ﻛﺪام ﻳﻚ از دو ﮔﻮﻧﻪﻫﺎي زﻳﺮ ﻣﺘﻌﻠﻖ ﺑﻪ ﮔﺮوه ﻧﻘﻄﻪاي ﻳﻜﺴﺎن ﻫﺴﺘﻨﺪ؟‬ ‫اﻟﻒ‪OF2 , XeF2 .‬‬

‫ج‪OF2 , H2 S .‬‬

‫ب‪CO2 , H2 O .‬‬

‫د‪[NO2 ]+ , [NO2 ]− .‬‬

‫‪ .4‬ﻛﺪام ﮔﺰﻳﻨﻪ در ﻣﻮرد ﻣﻮﻟﻜﻮل و ﮔﺮوه ﻧﻘﻄﻪاي ﻣﺮﺑﻮﻃﻪ داده ﺷﺪه‪ ،‬ﺻﺤﻴﺢ اﺳﺖ؟‬ ‫اﻟﻒ‪Td , CH2 Cl2 .‬‬

‫ب‪C3 v , CHCl3 .‬‬

‫ج‪D4 d , CCl4 .‬‬

‫د‪C2 h , CCl2 Br2 .‬‬

‫‪ .5‬ﻛﺪام ﻳﻚ از ﻣﻮﻟﻜﻮلﻫﺎ ﻳﺎ ﻳﻮنﻫﺎي زﻳﺮ داراي ﻣﺮﻛﺰ واروﻧﮕﻲ )ﻣﺮﻛﺰ ﺗﻘﺎرن( اﺳﺖ؟ ‪P = 15 , Si = 14 , F =7 , B = 5‬‬

‫اﻟﻒ‪[PF6 ]− .‬‬

‫ج‪BF3 .‬‬

‫ب‪SiH4 .‬‬

‫د‪PF5 .‬‬

‫‪ .6‬ﻛﺪام ﮔﺰﻳﻨﻪ در ﻣﻮرد ﺗﻐﻴﻴﺮ ﮔﺮوه ﻧﻘﻄﻪاي در ﺗﺒﺪﻳﻞ ‪ BF3‬ﺑﻪ ‪ [BF4 ]−‬ﺻﺤﻴﺢ اﺳﺖ؟‬

‫ب‪ .‬ﺗﻐﻴﻴﺮ ﮔﺮوه ﻧﻘﻄﻪاي از ‪ C3 v‬ﺑﻪ ‪Td‬‬

‫اﻟﻒ‪ .‬ﺗﻐﻴﻴﺮ ﮔﺮوه ﻧﻘﻄﻪاي از ‪ D3 h‬ﺑﻪ ‪Td‬‬ ‫ج‪ .‬ﺗﻐﻴﻴﺮ ﮔﺮوه ﻧﻘﻄﻪاي از ‪ D3 h‬ﺑﻪ ‪D4 h‬‬

‫د‪ .‬ﺗﻐﻴﻴﺮ ﮔﺮوه ﻧﻘﻄﻪاي از ‪ D3 h‬ﺑﻪ ‪C3 v‬‬

‫‪ .7‬ﻛﺪام ﻳﻚ از اورﺑﻴﺘﺎلﻫﺎي اﺗﻤﻲ زﻳﺮ ﻣﻲ ﺗﻮاﻧﺪ ﺑﺎ ﻳﻚ اورﺑﻴﺘﺎل اﺗﻤﻲ دﻳﮕﺮ از ﻧﻮع ﻣﺸﺎﺑﻪ ﻫﻤﭙﻮﺷﺎﻧﻲ و ﭘﻴﻮﻧﺪ ‪ π‬ﺑﺮﻗﺮار ﻛﻨﺪ؟ )ﻫﺮ دو اﺗﻢ را‬ ‫در راﺳﺘﺎي ﻣﺤﻮر ‪ x‬در ﻧﻈﺮ ﺑﮕﻴﺮﻳﺪ(‬

‫اﻟﻒ‪2 p x .‬‬

‫ب‪3 d xy .‬‬

‫ج‪2 s .‬‬

‫د‪3 p x .‬‬

‫‪ .8‬ﻛﺪام ﻳﻚ از اورﺑﻴﺘﺎلﻫﺎي اﺗﻤﻲ زﻳﺮ ﺷﺎﻣﻞ ﻳﻚ ﺻﻔﺤﻪ ﮔﺮه اي اﺳﺖ؟‬ ‫اﻟﻒ‪3 s .‬‬

‫ب‪2 p y .‬‬

‫ج‪3 d 2 .‬‬ ‫‪z‬‬

‫د‪3 d xy .‬‬

‫‪www.PnuNews.com‬‬ ‫ﺻﻔﺤﻪ ‪ 1‬از ‪4‬‬

‫ﺷﻴﻤﻲ ﻣﻌﺪﻧﻲ )‪(1‬‬

‫‪26‬‬ ‫‪60‬‬

‫ﺷﻴﻤﻲ‪(1114025) -‬‬

‫‪6‬‬ ‫‪60‬‬ ‫*‬

‫‪-‬‬‫ﻣﺎﺷﻴﻦ ﺣﺴﺎب‬

‫ﻳﻚ )‪(1‬‬

‫‪ .9‬ﻳﻚ اﺗﻢ ﺑﺎ آراﻳﺶ اﻟﻜﺘﺮوﻧﻲ ‪ 1 s22 s22 p63 s23 p3‬ﻣﺘﻌﻠﻖ ﺑﻪ ﻛﺪام ﮔﺮوه زﻳﺮ اﺳﺖ؟‬ ‫ب‪15 .‬‬

‫اﻟﻒ‪3 .‬‬

‫د‪5 .‬‬

‫ج‪11 .‬‬

‫‪Xe = 54‬‬

‫‪ .10‬ﺑﺮ اﺳﺎس ﻣﺪل ‪ VSEPR‬ﺑﺮاي ‪ : XeF4‬ﻛﺪام ﻳﻚ از اﺷﻜﺎل ﻣﻮﻟﻜﻮﻟﻲ زﻳﺮ ﺑﺎ ﻣﺪل ﺳﺎزﮔﺎر اﺳﺖ؟‬ ‫اﻟﻒ‪ .‬ﻣﺴﻄﺢ ﻣﺮﺑﻊ‬

‫ب‪ .‬ﻫﺮم ﻣﺜﻠﺜﻲ‬

‫د‪ .‬ﭼﻬﺎروﺟﻬﻲ‬

‫ج‪ .‬ﻫﺮم ﻣﺮﺑﻌﻲ‬

‫‪ .11‬ﺑﺮ اﺳﺎس ﻣﺪل ‪ :VSEPR‬ﻛﺪام ﻳﻚ از ﻣﻮﻟﻜﻮلﻫﺎ و ﻳﺎ ﻳﻮنﻫﺎي زﻳﺮ ﻏﻴﺮ ﺧﻄﻲ اﺳﺖ؟‬ ‫‪F = 9 , N =7‬‬

‫اﻟﻒ‪[I3 ] − .‬‬

‫ب‪.‬‬

‫‪I = 53‬‬

‫‪[N3 ] −‬‬

‫‪C =6 , O = 8 ,‬‬

‫‪,‬‬

‫ج‪[ClF2 ]+ .‬‬

‫‪Cl = 17‬‬

‫د‪CO2 .‬‬

‫‪ .12‬ﺑﺮ اﺳﺎس ﻣﺪل ‪ :VSEPR‬ﻛﺪام ﻳﻚ از ﻣﻮﻟﻜﻮلﻫﺎ و ﻳﺎ ﻳﻮنﻫﺎي زﻳﺮ ﻏﻴﺮ ﻣﺴﻄﺢ اﺳﺖ؟‬

‫اﻟﻒ‪[ClF4 ]− .‬‬

‫ب‪[IF5 ]2 − .‬‬

‫ج‪[IF4 ]+ .‬‬

‫د‪ClF3 .‬‬

‫‪ .13‬ﻛﺪام ﻳﻚ از ﻣﻮﻟﻜﻮلﻫﺎي زﻳﺮ ﻏﻴﺮ ﻗﻄﺒﻲ اﺳﺖ؟‬

‫اﻟﻒ‪BCl3 .‬‬

‫ب‪OF2 .‬‬

‫ج‪H2 S .‬‬

‫د‪SO2 .‬‬

‫‪ .14‬ﺗﺮﺗﻴﺐ درﺳﺖ از اﻟﻜﺘﺮوﻧﮕﺎﺗﻴﻮي اﺗﻢﻫﺎي زﻳﺮ ﻛﺪام اﺳﺖ؟‬ ‫اﻟﻒ‪H < N < O .‬‬

‫ب‪O < N < H .‬‬

‫ج‪N < O < H .‬‬

‫د‪H < O < N .‬‬

‫‪ .15‬در ﻛﺪامﻳﻚ از ﻣﻮﻟﻜﻮلﻫﺎي زﻳﺮ اﺗﻢ ﻣﺮﻛﺰي از ﻗﺎﻋﺪه ﻫﺸﺖﺗﺎﻳﻲ ﭘﻴﺮوي ﻣﻲﻛﻨﺪ؟‬

‫اﻟﻒ‪XeF4 .‬‬

‫ب‪[ClF4 ]− .‬‬

‫ج‪ClF3 .‬‬

‫د‪[ClF2 ]+ .‬‬

‫‪ .16‬ﻓﺮﻛﺎﻧﺲ ﻧﻮر ﻧﺸﺮي ﺑﻪ ﻫﻨﮕﺎم ﺳﻘﻮط اﻟﻜﺘﺮون از ‪ n = 3‬ﺑﻪ ‪ n = 1‬را ﺑﺮ ﺣﺴﺐ ‪ R‬ﺑﺪﺳﺖ آورﻳﺪ؟‬ ‫‪8‬‬ ‫اﻟﻒ‪R .‬‬ ‫‪9‬‬

‫ب‪R .‬‬

‫‪2‬‬ ‫ج‪R .‬‬ ‫‪3‬‬

‫د‪2 R .‬‬

‫‪www.PnuNews.com‬‬ ‫ﺻﻔﺤﻪ ‪ 2‬از ‪4‬‬

‫ﺷﻴﻤﻲ ﻣﻌﺪﻧﻲ )‪(1‬‬

‫‪26‬‬ ‫‪60‬‬

‫ﺷﻴﻤﻲ‪(1114025) -‬‬

‫‪6‬‬ ‫‪60‬‬ ‫*‬

‫‪-‬‬‫ﻣﺎﺷﻴﻦ ﺣﺴﺎب‬

‫ﻳﻚ )‪(1‬‬

‫‪ .17‬اﻓﺰاﻳﺶ زاوﻳﻪ ﭘﻴﻮﻧﺪي ‪ n ) n − c − n‬ﻋﻨﺼﺮ ﮔﺮوه ‪ 17‬اﺳﺖ( در ﻛﺪام ﮔﺰﻳﻨﻪ ﺻﺤﻴﺢ اﺳﺖ؟‬

‫اﻟﻒ‪HCF3 < HCCl3 < HCI3 < HCBr3 .‬‬

‫ب‪HCI3 < HCBr3 < HCF3 < HCCl3 .‬‬

‫ج‪HCI3 < HCBr3 < HCCl3 < HCF3 .‬‬

‫د‪HCF3 < HCCl3 < HCBr3 < HCI3 .‬‬

‫‪ .18‬ﻛﺪامﻳﻚ از ﮔﻮﻧﻪﻫﺎي زﻳﺮ ﭘﺎراﻣﻐﻨﺎﻃﻴﺴﻲ اﺳﺖ؟‬ ‫اﻟﻒ‪CO .‬‬

‫ج‪O2+ .‬‬

‫ب‪CN − .‬‬

‫د‪N2 .‬‬

‫‪ .19‬ﻛﺪامﻳﻚ از ﮔﻮﻧﻪﻫﺎي زﻳﺮ ﺑﺎ ﺑﻘﻴﻪ ﻫﻢ اﻟﻜﺘﺮون ﻧﻴﺴﺖ؟‬

‫اﻟﻒ‪NH3 .‬‬

‫ب‪[H3 O]+ .‬‬

‫ج‪CO3 .‬‬

‫د‪[CH3 ]− .‬‬

‫‪ .20‬ﺑﺮ اﺳﺎس ﻧﻈﺮﻳﻪ ‪ VSEPR‬ﻛﺪام ﺳﺎﺧﺘﺎر ﻣﺘﻔﺎوت اﺳﺖ؟‬

‫اﻟﻒ‪BF3 .‬‬

‫ج‪PCl3 .‬‬

‫ب‪NF3 .‬‬

‫د‪[CH3 ]− .‬‬

‫‪ .21‬ﻋﺪد ﻛﻮﺋﻮردﻳﻨﺎﺳﻴﻮن ﻛﺪامﻳﻚ از ﺳﺎﺧﺘﺎرﻫﺎي ‪ bcc , hcp , ccp‬و ‪ fcc‬ﺑﺮاﺑﺮ ‪ 12‬ﻧﻴﺴﺖ؟‬

‫اﻟﻒ‪ccp .‬‬

‫ج‪bcc .‬‬

‫ب‪hcp .‬‬

‫د‪fcc .‬‬

‫‪ .22‬ﻛﺪامﻳﻚ از ﮔﺰﻳﻨﻪﻫﺎي زﻳﺮ در ﻣﻮرد ﻣﻮاد ‪ KF‬در ﺣﺎﻟﺖ ﺟﺎﻣﺪ ﺻﺎدق اﺳﺖ؟‬ ‫اﻟﻒ‪ .‬ﺟﺎﻣﺪي ﻛﻪ رﺳﺎﻧﺎي ﺧﻮب اﻟﻜﺘﺮﻳﺴﻴﺘﻪ اﺳﺖ‪.‬‬ ‫ب‪ .‬ﺟﺎﻣﺪي ﻛﻪ اﺗﻢﻫﺎي آن در ﻳﻚ ﺷﺒﻜﻪ ﺑﺎ ﭘﻴﻮﻧﺪ ﻛﻮوﻻﻧﺴﻲ ﺑﻪ ﻫﻢ ﻣﺘﺼﻞ ﺷﺪه اﺳﺖ‪.‬‬ ‫ج‪ .‬ﺟﺎﻣﺪي ﻛﻪ رﺳﺎﻧﺎي ﺿﻌﻴﻒ اﻟﻜﺘﺮﻳﺴﻴﺘﻪ اﺳﺖ وﻟﻲ در اﺛﺮ ذوب رﺳﺎﻧﺎ ﻣﻲﺷﻮد‪.‬‬ ‫د‪ .‬ﺟﺎﻣﺪي اﺳﺖ ﻛﻪ ﻣﻮﻟﻜﻮلﻫﺎي زاوﻳﻪ دار و دو ﻗﻄﺒﻲ دارد‪.‬‬ ‫‪ .23‬ﻛﺪامﻳﻚ از ﻳﻮنﻫﺎي ﻓﻠﺰي زﻳﺮ ﺑﺮ اﺳﺎس درﺟﻪ ﺳﺨﺘﻲ ‪ ،‬ﺳﺨﺖ ﻫﺴﺘﻨﺪ؟‬

‫اﻟﻒ‪Pt2 + .‬‬

‫ب‪Cd2 + .‬‬

‫ج‪Cu + .‬‬

‫د‪K + .‬‬

‫‪www.PnuNews.com‬‬ ‫ﺻﻔﺤﻪ ‪ 3‬از ‪4‬‬

‫ﺷﻴﻤﻲ ﻣﻌﺪﻧﻲ )‪(1‬‬

‫‪26‬‬ ‫‪60‬‬

‫ﺷﻴﻤﻲ‪(1114025) -‬‬

‫‪6‬‬ ‫‪60‬‬ ‫*‬

‫‪-‬‬‫ﻣﺎﺷﻴﻦ ﺣﺴﺎب‬

‫ﻳﻚ )‪(1‬‬

‫‪ .24‬از ﺗﺮﻛﻴﺐ ﻫﻴﺪروژن ﺑﺎ ﻛﺪام ﻋﻨﺎﺻﺮ‪ ،‬ﻫﻴﺪرﻳﺪﻫﺎي ﻳﻮﻧﻲ ﺗﺸﻜﻴﻞ ﻣﻲﺷﻮد؟‬ ‫‪ -2‬ﮔﺮوه ﻛﺮﺑﻦ‬

‫‪ -1‬ﻗﻠﻴﺎﻳﻲ‬ ‫اﻟﻒ‪ 2 .‬و ‪3‬‬

‫‪ -4‬ﻗﻠﻴﺎﻳﻲ ﺧﺎﻛﻲ‬

‫‪ -3‬ﮔﺮوه ﻧﻴﺘﺮوژن‬ ‫ب‪ 1 .‬و ‪2‬‬

‫د‪ 3 .‬و ‪4‬‬

‫ج‪ 1 .‬و ‪4‬‬

‫‪ .25‬در ﻣﻮرد ﻛﺪامﻳﻚ از ﻣﻮﻟﻜﻮلﻫﺎي زﻳﺮ‪ ،‬ﻧﻘﻄﻪ ذوب ﺗﺤﺖ ﺗﺄﺛﻴﺮ ﭘﻴﻮﻧﺪ ﻫﻴﺪروژﻧﻲ ﻗﺮار ﻧﻤﻲﮔﻴﺮد؟‬

‫اﻟﻒ‪NH3 .‬‬

‫ب‪CH3 − NH2 .‬‬

‫د‪CH3 − OH .‬‬

‫ج‪CH3 − CH3 .‬‬

‫‪ .26‬ﺣﺎﻟﺖ اﻛﺴﺎﻳﺶ ﻗﺮاردادي ‪ N‬ﻳﺎ ‪ P‬در ﻛﺪامﻳﻚ از ﮔﻮﻧﻪﻫﺎي زﻳﺮ ﺑﺮاﺑﺮ ‪ ±3‬ﻧﻴﺴﺖ؟‬

‫اﻟﻒ‪[NO2 ]− .‬‬

‫ب‪NH3 .‬‬

‫د‪[NO3 ] − .‬‬

‫ج‪P4 O6 .‬‬ ‫ﺳـﺆاﻻت ﺗﺸﺮﻳﺤـﻲ‬ ‫)ﺑﺎرم ﻫﺮ ﺳﺆال ‪ 1/25‬ﻧﻤﺮه(‬

‫‪ .1‬ﻧﺸﺎن دﻫﻴﺪ ﻛﻪ ﻣﺤﻮر دوران ﻣﺮﻛﺐ ‪ ، S n‬اﮔﺮ ‪ n‬زوج ﺑﺎﺷﺪ ‪ n‬ﻋﻤﻞ ﺗﻘﺎرن و اﮔﺮ ﻓﺮد ﺑﺎﺷﺪ ‪ 2 n‬ﻋﻤﻞ ﺗﻘﺎرن ﻏﻴﺮﺗﻜﺮاري دارد‪ .‬ﺑﻪﻋﻨﻮان‬ ‫ﻣﺜﺎل ‪ S4‬را در ﻧﻈﺮ ﺑﮕﻴﺮﻳﺪ‪.‬‬ ‫‪ .2‬ﺟﺪول ﺣﺎﺻﻞﺿﺮب اﻋﻤﺎل ﺗﻘﺎرن ﻣﻮﻟﻜﻮل آب را ﺑﻪدﺳﺖ آورﻳﺪ‪.‬‬ ‫‪ .3‬ﺑﺎ اﺳﺘﻔﺎده از ﻗﺎﻋﺪه اﺳﻠﻴﺘﺮ‪ ،‬ﻧﺸﺎن دﻫﻴﺪ ﻛﻪ آراﻳﺶ اﻟﻜﺘﺮوﻧﻲ ‪ 1s22 s22 p63 s23 p64 s1‬ﺑﺮاي‬

‫‪19 K‬‬

‫از ﻧﻈﺮ اﻧﺮژي از آراﻳﺶ اﻟﻜﺘﺮوﻧﻲ‬

‫‪ 1s22 s22 p63 s23 p63 d 1‬ﭘﺎﻳﺪارﺗﺮ اﺳﺖ‪.‬‬ ‫‪ .4‬اﻟﻜﺘﺮون ﺧﻮاﻫﻲ ‪ (138 kJ / mol −1 )14 Si‬ﺑﺴﻴﺎر ﺑﻴﺸﺘﺮ از آن ‪ (75 kJ / mol −1 )15 P‬اﺳﺖ‪ .‬اﻳﻦ ﺗﻔﺎوت را ﺑﺮاﺳﺎس آراﻳﺶ‬ ‫اﻟﻜﺘﺮوﻧﻲ اﻳﻦ دو ﻋﻨﺼﺮ ﺗﻮﺿﻴﺢ دﻫﻴﺪ‪.‬‬ ‫‪ .5‬ﻧﻤﻮدار ﺗﺮاز اﻧﺮژي ﺑﺮاي اورﺑﻴﺘﺎلﻫﺎي ﻣﻮﻟﻜﻮﻟﻲ ‪ LiH‬رﺳﻢ ﻛﻨﻴﺪ و درﺑﺎره ﻣﺎﻫﻴﺖ ﭘﻴﻮﻧﺪ ﺷﺮح دﻫﻴﺪ‪ .‬آﻳﺎ اﻳﻦ ﭘﻴﻮﻧﺪ ﻳﻮﻧﻲﺗﺮ از ‪ HF‬اﺳﺖ؟‬ ‫‪Li = 3‬‬

‫‪ .6‬ﻧﻈﺮﻳﻪ ‪ VSEPR‬را ﺑﺮاي ﭘﻴﺶﺑﻴﻨﻲ ﺷﻜﻞ ﻫﻨﺪﺳﻲ ﮔﻮﻧﻪﻫﺎي زﻳﺮ ﺑﻪﻛﺎر ﺑﺮده و اﻟﮕﻮي ﻫﻴﺒﺮﻳﺪي ﻣﻨﺎﺳﺒﻲ ﺑﺮاي ﻫﺮ اﺗﻢ ﻣﺮﻛﺰي ﺑﻴﺎن ﻛﻨﻴﺪ‪:‬‬

‫اﻟﻒ‪ SiF4 .‬ب‪[ IC l4 ]− .‬‬ ‫‪Si = 14‬‬

‫پ‪NF3 .‬‬

‫ت‪OF2 .‬‬

‫‪I = 53‬‬

‫‪Sb = 51‬‬

‫ث‪SbF5 .‬‬

‫ج‪[ AsF6 ]− .‬‬

‫‪As = 33‬‬

‫‪www.PnuNews.com‬‬ ‫ﺻﻔﺤﻪ ‪ 4‬از ‪4‬‬

HCI HCBr HCCl HCF

2. N. 19 . @. = .3. NH . [ ]+. OH. 3. > . 3. CO. > . [ ]−. 3. CH. 20 . VSEPR. = > .3. BF .3. NF. > . 3. PCl. > . [ ]−. 3. CH. 21 . > > @ ccp hcp bcc. و fcc. ,. ,. 12. = . ccp . hcp. > . bcc. > . fcc. 22 . > > > @. KF. = > > . @ @ . . @. > @ . > . > @ @. > . > . @. > @. > > > . 23 . > @ @. = < . +. 2. Pt . +. 2. Cd. >. +. Cu. > . +. K www.PnuNews.com ...

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