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The Periodic Table

The Properties of the Halogens.

What are the Properties of the Halogens?

The halogens are the only group of the periodic table that
have solid, liquid and gaseous elements at room temperature.

Fluorine is an extremely reactive pale yellow gas.

Chlorine is a reactive yellow-green gas.

Bromine is a less reactive red-brown liquid (and gas).

Iodine is a still less reactive dark grey (or black) solid.
When iodine is heated it sublimes
to become a gas with a purple vapour.

See the group trends of the halogens.

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