标题: 不知谁能帮我解答这题科学题. [打印本页] 作者: 智洪 时间: 2012-8-28 09:55 PM 标题: 不知谁能帮我解答这题科学题. : 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
