Cu-64化学部分说明:1.本试卷分第I卷(选择题)和第II卷(非选择题)两部分。的混合溶液中,溶液变蓝。于元素周期表第_1_____周期,第_2______族。酸性较强的是_______。原子的个数是________。键的数目之比是_______。难溶于水,但易发生水解。__________________________________________。_______________________________。验操作的顺序是__2_______。____________________。________________。____________。的名称是__1__________________;第4步反应类型是_2______________。是______________________________________________。是____________________________________________________________。是____________________________________________________________。____________________。的同分异构体有__________种。CaSO4?Na2SO4)资源丰富。是________________________________________。生成1________、2___________(填化学式)被过滤除去。_____________________________________________________。是__________________________________________________。____________________________________________________。时,可析出元明粉(Na2SO4)的质量是________kg。