Fluorine (F)

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Fluorine (F)

• Highly toxic, refrigerants gas

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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

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Facts

• Derived from the Latin word fleure, which means
  flow
• Discovery In 1886, by Henri Moissan
• Obtained from

Mineral fluorite
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Description

• Greenish pale yellow acidic gas
• Most reactive of the non-metal
• ? combined with most other elements
• 13th most common element in the crust

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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 ?

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Bromine (Br)

• volatile, mobile, dangerous reddish-brown liquid

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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

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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
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Description

• A reddish-brown liquid
• The
• that is a at normal room conditions.
• Causes painful burns

only non-metal
liquid
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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 !!!!

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Iodine (I)

• bluish-black, lustrous solid

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Basic Information

• Name Iodine
• Symbol I
• Atomic number 53
• Atomic mass 126.90 amu
• Electron configuration 2,8,18,18,7
• Boiling Point183 ?C
• Melting Point 113.7 ?C
• Diatomic element

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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

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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

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Uses

• ? First Aid

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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

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Iodine Deficiency

• Iodine Deficiency Disorders
• For FOOD SOURCES high in IODINE try
• - Seafood
• - Kelp
• - Iodized Salt

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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/chemi
  calprops/bromine.html