Chemistry!! (15 points!)

2010-01-11 8:02 pm

1. Why iodine can be a liquid at room temperature?

2. Carbon's boiling point is how many Degree Celsius?

3. What is the special features of the element Uoo and Uto?

4. What is the use of TPC?

更新1:

Explain to膠人至上主義者 : TPC means (S)-(-)-N-(trifluoroacetyl)prolyl chloride I may have some mistakes on question 1. 1. I checked element book iodine is a soild in room temperature, but why iodine solution can be a liquid in room temperature?

更新2:

Almost all your answers are very clear, so I won't choose anyone to be the best answer. I give a chance for people to vote.

回答 (3)

ShingMingTony

2010-01-12 5:12 am

✔ 最佳答案

1. iodine is solid at room temperature, not liquid.
Iodine 's atom is large so the van der Waals' force between molecules is big.
That 's why iodine is solid at room temperature.

2. 4827 C

3. they are undiscovered, both in g-block, and radioactive.

4. Which TPC? TPC has a lot of meaning.

2010-01-12 13:21:52 補充：
solution means iodine is dissolve in a kind of liquid solvent! Of course it is a liquid!

2010-01-12 13:42:08 補充：
Iodine solution means iodine dissolve in some kind of liquid solvent. Of course it is a liquid.

2010-01-12 13:47:49 補充：
iodine solution means iodine dissolve in some kind of liquid solvent
Of course it is a liquid

2010-01-12 13:47:59 補充：
iodine solution means iodine dissolve in some kind of liquid solvent
Of course it is a liquid

2010-01-12 13:49:47 補充：
對不起，找不到TPC的用途
只知它是一種化學試劑

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[匿名]

2010-01-12 4:41 am

the answer in chemistry book

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de Lufz

2010-01-11 8:49 pm

1. room pressure may be too low
3. metal

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