阿摩線上測驗
49. In the three-dimensional structure of methane, CH4, the hydrogen atoms
attached to a carbon atom are aligned
(A) in a straight line.
(B) at the corners of a square.
(C) at the corners of a tetrahedron.
(D) at the corners of a rectangle.
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統計： A(1), B(0), C(4), D(0), E(0) #3577938
統計： A(1), B(0), C(4), D(0), E(0) #3577938
