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> 95年 - 95 淡江大學 轉學考 普通化學#55873
95年 - 95 淡江大學 轉學考 普通化學#55873
科目:
轉學考-普通化學 |
年份:
95年 |
選擇題數:
4 |
申論題數:
12
試卷資訊
所屬科目:
轉學考-普通化學
選擇題 (4)
1. Give the number of protons and neutrons in the nucleus of
is (A) 60(B) 27 (C) 33 (D) 87
2. Which of the following molecules has the highest H-X bond energy?(A)HF (B) HCI (C) IHBr (D) HI
3. Which of the following molecules has the shortest
bond length? (A) ethyne (B) polyethylene (C)
of the five-member ring in C60
4.Which of the following
molecules is polar?
(A)CCl
4
(B) PH
5
(C) NO (D) C
60
申論題 (12)
(a) H
2
C
C
CH
2
____
(b)H
2
C
CH
2
____
(c) CH
3
N
NN ____
(A) Si:______
(B) Al;_______
【已刪除】7. Place the species below in order of shortest to longest N-N bond
【已刪除】 (A)
【已刪除】(B)
第三部分:問答題(共40分)
9. One of the most commonly used white pigments in paint is a compound of titanium and oxygen that contains 59.9% T'i (average atomic mass: 47.88 amu) by mass. Determine the empirical formula of this compound, (10 分)
10. For VSEPR, repulsions from a lone pair and a bonding pair are different. Explain (10 分)
11. The allene molecule has the following structure;
H
2
OC=CH
2
Are all four hydrogen atoms in the same plane? Explain your answer. (10 分)
12. X-rays from a copper X-ray tube (λ = 1.54 A) were diffracted at an angle of 30.00 degrees by a crystal of silicon. Assuming first order diffraction (n = 1),what is the inter-planar spacing in silicon? (write down the equation) (10 分)