Cl2:___色_____体,有毒,有________气味,_____溶于水.27)Br2:____色______体,易______,_____存放,____溶与水,_____溶于有机溶剂.28)I2:____色______体,易_____,遇淀粉_______,_____溶于水,_____溶于有机溶剂.29)递
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![Cl2:___色_____体,有毒,有________气味,_____溶于水.27)Br2:____色______体,易______,_____存放,____溶与水,_____溶于有机溶剂.28)I2:____色______体,易_____,遇淀粉_______,_____溶于水,_____溶于有机溶剂.29)递](/uploads/image/z/4861490-50-0.jpg?t=Cl2%EF%BC%9A___%E8%89%B2_____%E4%BD%93%2C%E6%9C%89%E6%AF%92%2C%E6%9C%89________%E6%B0%94%E5%91%B3%2C_____%E6%BA%B6%E4%BA%8E%E6%B0%B4.27%EF%BC%89Br2%EF%BC%9A____%E8%89%B2______%E4%BD%93%2C%E6%98%93______%2C_____%E5%AD%98%E6%94%BE%2C____%E6%BA%B6%E4%B8%8E%E6%B0%B4%2C_____%E6%BA%B6%E4%BA%8E%E6%9C%89%E6%9C%BA%E6%BA%B6%E5%89%82.28%EF%BC%89I2%EF%BC%9A____%E8%89%B2______%E4%BD%93%2C%E6%98%93_____%2C%E9%81%87%E6%B7%80%E7%B2%89_______%2C_____%E6%BA%B6%E4%BA%8E%E6%B0%B4%2C_____%E6%BA%B6%E4%BA%8E%E6%9C%89%E6%9C%BA%E6%BA%B6%E5%89%82.29%EF%BC%89%E9%80%92)
Cl2:___色_____体,有毒,有________气味,_____溶于水.27)Br2:____色______体,易______,_____存放,____溶与水,_____溶于有机溶剂.28)I2:____色______体,易_____,遇淀粉_______,_____溶于水,_____溶于有机溶剂.29)递
Cl2:___色_____体,有毒,有________气味,_____溶于水.
27)Br2:____色______体,易______,_____存放,____溶与水,_____溶于有机溶剂.
28)I2:____色______体,易_____,遇淀粉_______,_____溶于水,_____溶于有机溶剂.
29)递变规律:颜色逐渐_______,熔沸点逐渐_________,密度逐渐_________.
Cl2:___色_____体,有毒,有________气味,_____溶于水.27)Br2:____色______体,易______,_____存放,____溶与水,_____溶于有机溶剂.28)I2:____色______体,易_____,遇淀粉_______,_____溶于水,_____溶于有机溶剂.29)递
Cl2:黄绿色气体,有毒,有刺激性气味,极易溶于水.
27)Br2:红棕色液体,易挥发,密封存放,难溶与水,易溶于有机溶剂.
I2:紫黑色固体,易升华,遇淀粉变蓝,难溶于水,易溶于有机溶剂.
递变规律:颜色逐渐变深,熔沸点逐渐升高,密度逐渐增大.