1. Fluorine (F) Highly toxic, refrigerants gas

3. Basic Information  Name: Fluorine  Symbol: F  Atomic Number: 9  Atomic Mass: 18.998 amu  Electron Configuration: 2,7  Boiling Point: -188.14 ۫ C  Melting Point: -219.62 ۫ C  Diatomic element

4. Facts  Derived from the Latin word “fleure”, which means flow  Discovery: In 1886, by Henri Moissan  Obtained from: Mineral fluorite

5. Description  Greenish pale yellow acidic gas  Most reactive of the non-metal → combined with most other elements  13 th most common element in the crust

6. Uses  Helps other materials to burn → Rocket fuels  Alone it is poisonous → used in fluorine compound → nuclear industry  Toothpaste → Average human body contains hundredth of ounce of fluorine  Damage ozone layer 

7. Bromine (Br) volatile, mobile, dangerous reddish- brown liquid

9. Basic Information  Name: Bromine  Symbol: Br  Atomic Number: 35  Atomic Mass: 79.904 amu  Electron Configuration: 2,8,18,7  Boiling Point: 58.78 ۫ C  Melting Point: -7.2 ۫ C  Diatomic element

10. Facts  Derived from the Greek word “bromos”, which means stench  Discovery: In 1826, by Antoine J. Balard from SALT WATER  Poisonous  Obtained from: SEA WATER

11. Description  A reddish-brown liquid  The that is a at normal room conditions.  Causes painful burns only non-metal liquid

12. Uses  Very poisonous → Pesticides  Photographic film  Malfunctioning of nervous system → Disturbances in genetic materials  Organic Bromine can cause damage to organs → Can even cause cancer !!!!

13. Iodine (I) bluish-black, lustrous solid

15. Basic Information  Name: Iodine  Symbol: I  Atomic number: 53  Atomic mass: 126.90 amu  Electron configuration: 2,8,18,18,7  Boiling Point:183 ۫ C  Melting Point: 113.7 ۫ C  Diatomic element

16. Facts  Derived from the Greek word iôdes, which means “violet”  Discovery: In 1811, by Bernald Courtois from SULFURIC ACID  Required in humans  Obtained from: sodium and potassium compounds

17. Description  When solid: looks metallic, grayish-black or violet-dark gray color.  As a gas: violet color, with a harsh, unpleasant odor.  Sublimation → Never exists as a liquid

18. Uses → First Aid

19. Iodine for body function  A naturally occurring mineral for your body to function normally.  Iodine Body Functions: Heat and Energy production Metabolism of fat Physical and Mental development Production of Thyroid hormone

20. Iodine Deficiency IIodine Deficiency Disorders FFor FOOD SOURCES high in IODINE try: - Seafood - Kelp - Iodized Salt

21. Bibliography  http://www.chemicalelements.com/elements/br.h tml http://www.chemicalelements.com/elements/br.h tml  http://www.carondelet.pvt.k12.ca.us/Family/Scie nce/Halogens/bromine.htm http://www.carondelet.pvt.k12.ca.us/Family/Scie nce/Halogens/bromine.htm  www.webelements.com/webelements/ elements/text/I/key.html  http://www.lm.liverpool.k12.ny.us/HyperChart/ch emicalprops/bromine.html