Halogens By: Brady Bantz

Elements in The Halogens Family Fluorine Chlorine Bromine Iodine Astatine Tennessine https://scientificgems.wordpress.com/tag/periodic-table/

Fluorine Halogen Lightest element in group Highly toxic When a gas it is pale yellow Reacts with almost every element Found in China, Mexican, and Western Europe Found in earth’s crust, rocks, and sometimes coal https://en.wikipedia.org/wiki/Fluorine https://en.wikipedia.org/wiki/File:Beta-fluorine_crystal_structure.gif Atomic Number: 9 Symbol: F Atomic Weight:18.9984032 http://www.chemicalelements.com/elements/f.html

Chlorine Second lightest element in the Halogens https://en.wikipedia.org/wiki/Sodium_chloride Second lightest element in the Halogens Yellow green gas at room temperature Extremely reactive element A strong oxidizing agent Highest electron affinity http://www.theodoregray.com/periodictable/Elements/017/index.s15.html Atomic Number: 17 Symbol: Cl Atomic Weight:35.453 http://www.chemicalelements.com/elements/cl.html

Bromine Atomic Number: 35 Symbol: Br Atomic Weight: 79.904 http://www.chemicalelements.com/elements/br.html Bromine http://www.chemistrylearner.com/bromine.html 3rd lightest element in the Halogens Fuming brown and red liquid Evaporates readily form a gas Has a sharp disagreeable smell Does not occur in free nature Atomic Number: 35 Symbol: Br Atomic Weight: 79.904 https://www.semanticscholar.org/paper/Solid-state-structure-of-bromine-azide.-Lyhs-Bl%C3%A4ser/47762501e803bbab7c353f848914de6492cc0662/figure/6

Iodine Atomic Number: 53 Symbol: I Atomic Weight:126.90447 https://en.wikipedia.org/wiki/Iodine Iodine http://health101.org/art_iodine.htm The heaviest of the halogens Lustrous, purple-black non-metallic solid Least abundant of the Halogens Commonly found in Chile and Japan https://en.wikipedia.org/wiki/Iodine http://www.chemicalelements.com/elements/i.html Atomic Number: 53 Symbol: I Atomic Weight:126.90447

Astatine Atomic Number: 85 Symbol: At Atomic weight: 210 radioactive chemical element It is the rarest naturally occurring element occurring only as the decay product of various heavier elements All of astatine's isotopes are short-lived a member of the halogens https://en.wikipedia.org/wiki/Astatine http://www.chemistrylearner.com/astatine.html Atomic Number: 85 Symbol: At Atomic weight: 210 http://www.chemicalelements.com/elements/at.html