Halogens

Daniel and Carson

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Halogen Quick Facts

  • Extremely reactive
  • More reactive as atomic number increases
  • All form acids when combined with Hydrogen
  • All are fairly toxic
  • Have seven valence electrons

Bromine

  • Atomic #: 35
  • Symbol: Br
  • Does not occur naturally
  • 64th most common element

Iodine

  • Atomic #: 53
  • Symbol: I
  • Occurs naturally in oceans and brine pools
  • Used in nutrition and medicine

Fluorine

  • Atomic #: 9
  • Symbol: F
  • Most electronegative and reactive element
  • Forms naturally in crystals, found mainly in California and Alaska