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Halogens

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by

Kailin Lust

on 29 October 2013

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Transcript of Halogens

many halogens are used in disinfectants and sterilizers
Halogens
halogen = salt giver
they have strong chemical reactions with metals to form salts
Elements towards the top of the group are green and yellow and get darker as you move down
Halogens pure forms are very poisonous but their compounds are very useful
7 electrons in the outer shell, always wanting to gain an electron
Iodine- found in iodized salt, seawater, and foods such as yogurt and eggs
Bromine- found in flame retardants, pestisides, pop, and flamming cheetos
Fluorine- found in tooth care products
Group 17
By: Kailin Lust, Lauren Gray, Lauren Charles, & Abby Rummelhart

Chlorine- found in salt and pools
Fluorine, chlorine, bromine, iodine, and astatine
Halogens are non metals that are the most reactive elements.
Halogens are the only group to be all three states of matter at room temperature

astatine- too rare and radioactive to be used commercially
Full transcript