12. How many of the following molecules or ions contain a C3 axis and a plane? (A) 4 (B) 3 (C) 2 (D) 1 (E) 0

12. How many of the following molecules or ions contain a C₃ axis and a plane?

(A) 4
(B) 3
(C) 2
(D) 1
(E) 0

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複選題15. There are two groups of solutions: group A includes the water solutions of 0.01M AgNO₃, 0.01M Pb(NO₃)₂, 0.01M Ba(NO₃)₂, and 0.01M Ni(NO₃)₂. Group B includes the water solution of 0.01M NaCl, 0.01M Na₂SO₄, and 0.01M Na₂S. If we take each solution in group A to mix with equal volume of each solution in group B, which of the following statements is correct ? (A) There are 8 solutions with precipitation (B) there are 5 solutions with no precipitation (C) there are 4 solutions with black precipitation (D) there are 5 solutions with white precipitation (E) none of the mixtures with Ni(NO₃)₂ has the precipitation

12. How many of the following molecules or ions contain a C₃ axis and a plane?

(A) 4
(B) 3
(C) 2
(D) 1
(E) 0

詳解 (共 1 筆)

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12. How many of the following molecules or ions contain a C3 axis and a plane? (A) 4(B) 3(C) 2(D) 1(E) 0

詳解 (共 1 筆)

相關試題

相關試卷

12. How many of the following molecules or ions contain a C₃ axis and a plane?

(A) 4
(B) 3
(C) 2
(D) 1
(E) 0