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Halogens – Group 17

Halogens – Group 17. Fluorine – Tacarra Chlorine – Hap Bromine – Jade Iodine – Raul Astatine - Jade. Commonalities. All are salt makers Oxidation Number is -1 All have 7 valence Electrons All good for cleaning something. Chemical family album. Tacarra. Parents. F luorine:

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Halogens – Group 17

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  1. Halogens – Group 17 • Fluorine – Tacarra • Chlorine – Hap • Bromine – Jade • Iodine – Raul • Astatine - Jade

  2. Commonalities • All are salt makers • Oxidation Number is -1 • All have 7 valence Electrons • All good for cleaning something

  3. Chemical family album Tacarra

  4. Parents • Fluorine: • Karl Scheele • Henri Mossan

  5. Birth place & Date • 1771

  6. halogens

  7. Protons/Electrons:9 Physical Description 1

  8. Physical description 2 • Density:0.001696gm/cm3 • Boiling point: 84.95k • Melting point: 53,53k • Heat of vapor:3.2698kj/mol • Specific Heat: 0.82j/gmk • Electron configuration: 1s²2s²2p5

  9. Chemical description • Valence#: 7 • Ions: -1 • Oxidation#:-1 • Reactivity: high • LiF • NaF • KF

  10. Negative attributes • Poisonous

  11. POSITIVE ATTRIBUTES • Toothpaste • Drinking water

  12. Address • Group 7 row 2

  13. Chlorine By: Hap Sandhu

  14. Discovery • Carl Wilhelm Scheele discovered chlorine in 1774 in Sweden. It is a non-metal. Protons: 17 Electrons: 17

  15. Density: 3.214 g/l • Boiling Point: -34.6°C • Melting Point: 100.98°C • Fusion Heat: 6.41 (Cl-Cl) • Specific Heat: 0.477 (Cl-Cl)

  16. Chemical Description • Valence #: -1 • Ion: hypchlorite, chlorite, chlorate, perchlorate • Oxidation #: -1 • Reactivity: High • Three compounds: NaCl, Carnallite, Sylvite

  17. Uses Positive • Chlorine is used in drinking water to make it safer for the consumer to drink. • Paper products, dyes, food, plastics, paints, and medicines are made with chlorine. Negative • It is used in chemical warfare

  18. Bromine Halogen Family, G17 P4,

  19. Bromine was discovered by Antoine J. Balard in the year 1826 in France. • It is a nonmetal. • It has 35 protons, 35 electrons, and 45 neutrons.

  20. Boiling point: 58.78ºC • Melting Point: -7.2ºC • Orthorhombic Crystalline Structure • Is a gas at room temperature Orthorhombic Crystalline Structure

  21. Valence # - 7 • Ion – Bromide • Oxidation # -1 • Very reactive • Sodium Bromide, Potassium Bromide, Dibromoethane

  22. Positive Attributes: Pesticides, water purification compound, flame retardant • Negative Attributes: Irritates the skin and tissues, poisons humans if somehow ingested or if it touches the skin.

  23. This Section Done By: Jade Sellers

  24. Astatine

  25. Was discovered by Dale R. Corson, K.R. McKenzie, and Emilio Serge in the University of California, 1904. • It is a Nonmetal. • It has 85 Protons, 85 Electrons, and 125 Neutrons.

  26. Boiling Point: 377.0ºC • Melting Point: 302.0ºC • 7g/cm^3 density • Is a solid at room temperature.

  27. Valence # - 7 • Ion – unknown • Oxidation # -1 • Very reactive and radioactive • Halides, Oxides, Hydrides

  28. Positive attributes : radioactive tracker for cancer • Negative Attributes: highly radioactive

  29. This Section Done By: Jade Sellers

  30. Sources : Fluorine • http://hyperphysics.phy-astr.gsu.edu/hbase/pertab/f.html • http://www.green-planet-solar-energy.com/images/fluorine-bohr.gif • http://www.calzim.com/online/online2_1/class_material/unit1/f_ion_dot1.bmp • http://mooni.fccj.org/~ethall/fluor/fluor.htm

  31. Works Cited : Chlorine • http://macro.lsu.edu/russo/Courses/1201WebS99/ch89.htm • http://www.chemicalelements.com/bohr/b0017.gif • http://chemistry.about.com/od/elementfacts/a/chlorine.htm • http://www.chemicool.com/elements/chlorine.html

  32. Works Cited : Bromine and Astatine • http://www.bt.cdc.gov/agent/bromine/basics/facts.asp • http://www.chemicool.com/elements/bromine.html • http://www.facts-about.org.uk/science-element-bromine.htm • http://www.facts-about.org.uk/science-element-astatine.htm • http://www.chemicool.com/elements/astatine.html • http://www.webelements.com/astatine/compounds.html

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