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Halogens

Halogens. By Arnav Patel. What are Halogens?. Halogens are elements that are found in the VII th group of the periodic table Since they are in group VII they all have a V alency of -1. Elements. The elements in the group are : Fluorine- F 9 -2,7 Chlorine- Cl 17 -2,8,7

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Halogens

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  1. Halogens By Arnav Patel

  2. What are Halogens? • Halogens are elements that are found in the VIIth group of the periodic table • Since they are in group VII they all have a Valency of -1

  3. Elements • The elements in the group are : Fluorine- F9 -2,7 Chlorine- Cl17 -2,8,7 Bromine- B35 -2,8,18,7 Iodine- I53 – 2,8,18,8,8,8,1 Astatine- At85 – 2,8,18,32,8,8,8,1

  4. Elements

  5. State of Matter • Halogens can be found in the form of all three states of matter-solids, liquids, gas • Fluorine and chlorine are found in the gas form • Iodine and astatine are found in the solid form • Bromine is found in the liquid form

  6. Reaction with metals • When Halogens react with metals they form the metal salt • Halogen literally means salt former Iron + bromine         iron (III) bromide.2Fe(s) +    3Br2 (l)              2FeBr3(s) • These then form large structures known as metal halides

  7. Bibliography http://en.wikipedia.org/wiki/Halogen http://www.chemicalelements.com/groups/halogens.html http://chemistry.about.com/od/elementgroups/a/halogens.htm http://www.periodic-table.org.uk/

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