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Fluorine (F)
Highly toxic, refrigerants gas
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
Facts
Derived from the Latin word “fleure”, which means flow
Discovery: In 1886, by Henri Moissan
Obtained from: Mineral fluorite
Description
Greenish pale yellow acidic gas
Most reactive of the non-metal
→ combined with most other elements
13th most common element in the crust
Uses Helps other materials to burn → Rocket fuelsAlone it is poisonous → used in fluorine compound → nuclear industry Toothpaste → Average human body contains hundredth of ounce of fluorine Damage ozone layer
Bromine (Br)
volatile, mobile, dangerous reddish-brown liquid
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
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
Description
A reddish-brown liquid
The that is a at
normal room conditions.
Causes painful burns
only non-metal liquid
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 !!!!
Iodine (I)
bluish-black, lustrous solid
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
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
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
Uses
→ First Aid
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
Iodine Deficiency
Iodine Deficiency Disorders
For FOOD SOURCES high in IODINE try:
- Seafood - Kelp - Iodized Salt
Bibliography
http://www.chemicalelements.com/elements/br.html
http://www.carondelet.pvt.k12.ca.us/Family/Science/Halogens/bromine.htm
www.webelements.com/webelements/ elements/text/I/key.html
http://www.lm.liverpool.k12.ny.us/HyperChart/chemicalprops/bromine.html