Originally posted by 紅唇娃 at 2005-2-17 09:23 PM:
哇...1條5個choice...好難答 >.<"
[來亂的~:D]
1. 以下邊種非金屬元素在100°C下係液體?
a. 磷phosphorus
b. 汞mercury ...
c. 溴bromine<--呢個都係ga wor...o_O|||
d. 氟florin ...
Originally posted by 可愛的兔兒 at 2005-2-18 01:36 PM:
非金屬ar!!!!!!
Originally posted by 可愛的兔兒 at 2005-2-18 01:36 PM:
非金屬ar!!!!!!
Originally posted by SusanCrystal at 2005-2-19 01:38 AM:
第1題其實係咪想問:
以下邊種元素係非金屬兼且在100°C下係液體?
因為汞係金屬
1. C(bromine)
2. B (118元素根本就係未發現, 1999年嘅實驗報告係假架..)
3. D
4. D
5. D
6. C
p.s. ...
Originally posted by 紅唇娃 at 2005-2-19 17:49:
點解唔讀>.<"
Originally posted by 紅唇娃 at 2005-3-8 01:12 AM:
開答案未? =3=
等左好耐啦
Originally posted by kokoro at 2005-3-23 12:22 AM:
佢死左。
Originally posted by kokoro at 2005-3-23 12:22 AM:
各位同學,Room Temperature和攝氏100度係2個世界來的…唔同架。
Originally posted by smallpotato226 at 2005-3-23 07:45 PM:
何出此言?
唔明,請解釋多次...
Originally posted by smallpotato226 at 2005-3-23 07:45 PM:
何出此言?
唔明,請解釋多次...
Originally posted by kokoro at 2005-3-26 06:11 PM:
即係呢…在Room Temperature係liquid,係100度就唔一定係liquid架
唔好只係用你知個State from the Periodic Table,要注意MELTING POINT同BOILING POINT
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