卤素单质的化学性质及其递变规律
卤素单质的化学性质及其递变规律
①与水的反应,依F2到I2逐渐﹍﹍﹍﹍﹍
①与水的反应,依F2到I2逐渐﹍﹍﹍﹍﹍
化学人气:836 ℃时间:2020-05-16 19:08:45
优质解答
在常温下,F2、Cl2为气体,Br2为液体,I2为固体,无法就密度对这四种物质进行比较.卤素单质按F2,Cl2,Br2,I2的顺序颜色变浅的说法错误!应该是变深:
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