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題組內容

1. Fact: The S-O bonds are shorter in Sulfur dioxide (143.1 pm) than in sulfur monoxide (148.1 pm).

(E) How many vibration modes are IR active?

其他申論題

(A) According to the fact, please draw the most possible Lewis structure of "Sulfur dioxide" and determine the bond order of S-O bond.

(B) Qualitatively explain why the S-O bonds are shorter in Sulfur dioxide than in sulfur monoxide.

(C) What is the point group of "Sulfur dioxide"?

(D) Please construct the character table of the point group of "Sulfur dioxide".

2. (A) Determine the possible microstates for a d⁴ configuration and use them to prepare a microstate table.

(B) Reduce this table to its component free-ion terms, and identify the ground-state term.

第二大題(SECTION 2):填充題 (Fill-in-the-Blank) 16. A 2 kg block slides down a 30° incline with an acceleration of 2 m/s². The coefficient of kinetic friction between the block and the incline is (16)

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