63. The correct order of the bond angles in H2S, NH3, BF3 and SiH4 is
(A) H2S <NH3 <SiH4 <BF3
(B) NH3<H2S <SiH4 <BF3
(C) H2S < SiH4 <NH3 <BF3
(D) H2S <NH3<BE3 <SiH4
(E) BF3 <SiH4 <NH3 <H2S

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統計: A(17), B(2), C(3), D(0), E(0) #3081303

詳解 (共 1 筆)

#5981187


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