Chemistry Unit 2

The Halogens and reactions of the halogens

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Fluorine   -  Pale yellow  - Gas                    ELECTRONEGATIVITY

Chlorine   -  Green         - Gas                             INCREASES

Bromine   -  Red/Brown  - liquid                               UP THE

Iodine       -  Grey           - Solid                               GROUP

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A catalyst increases the rate of reaction by providing an alternative reaction pathway with a lower activation energy.

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