F.3 or F.3以上 ga 人.....理科 ga

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2007-04-21 9:04 pm

CHEMISTRY
果個Topic 叫Periodic table
旅邊果個Simplify Periodic table
有一點叫general properties of Group I
咩叫reactivity increases down the group ???

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回答 (1)

用戶181499

2007-04-21 10:47 pm

✔ 最佳答案

姐係愈落ge metal就愈reactive
ie
係group I 泥講..
Li 最唔reactive
Fr 最reactive

參考: I AM A FORM 5 STUDENT IN SCIENCE STREAM

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