Group 7 elements are known as the ____. As you go down the group, the elements become ____ reactive. The physical state of the halogens changes as you go down the group: fluorine is a pale yellow ____, chlorine is a ____ gas, bromine is a red-brown ____, and iodine is a grey ____ that can turn into a purple vapor when heated. The boiling points of the halogens ____ as you move down the group because their particles are larger and stick together more ____.

Group 7 Do-Now

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