Group 17: The Halogens

Catalina Menscer-Luna,Jeremy Anderson

Name of elements: Fluorine, Chlorine, Bromine, Iodine, Astatine

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Fluorine

Name of element: Fluorine

Symbol of element: (F)

Atomic number of this element: 9

Atomic Mass of element: 19

How many valence electrons does this element have? :7

What are the uses for this element? used in toothpaste and in drinking water to prevent dental cavities

Who discovered this element? Henri Moissan

Chlorine

Name of element: Chlorine

Symbol of element: Cl

Atomic Number of element: 17

Atomic Mass of element: 35

How many valence electrons does this element have: 7

What are the uses for this element?: Chlorine is commonly used as an antiseptic)

Who discovered this element?: Carl Wilhelm Scheele

What our elements have in common

  • .All of our elements have 7 Valence Electrons
  • .All end in INE
  • .All used for cleaning