不知谁能帮我解答这题科学题.

智洪

: Group 1 properties and trend
-Describe lithium, sodium and potassium in Group 1 (the alkali metals) as a collection of relatively soft, low density metals showing a trend in melting point and in their reaction with water
-Predict the properties of the elements of Group 1 using the periodic table

这科学题属于chemistry的.一个.project.
如果有哪位神人能帮我把这题做在.power point2007.上那就真的太感谢了~><

不能的话麻烦告诉我大概要做些什么..怎样回答.在此先谢了.=-=

tenxie

google search><  


哈哈

以前project我不会做的都是上网找的~~

智洪

上网太多答案模宁两可了.很难辩解那个是有用的.=-=