Group 17: The Halogens
Catalina Menscer-Luna,Jeremy Anderson
Name of elements: Fluorine, Chlorine, Bromine, Iodine, Astatine
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
Bromine
Name of element: Bromine
Symbol of element: (Br)
Atomic Number of element: 35
Atomic Mass of element: 80
How many valence electrons does this element have?: 7
What are the uses for this element? Water Purification
Who discovered this element? Carl Jacob Löwig and Antoine Jerome Balard,
Iodine
Name of element: Iodine
Symbol of element: I
Atomic Number of element: 53
Atomic Mass of element: 127
How many valence electrons does this element have?: 7
What are the uses for this element? kill fungus, bacteria, and other microorganisms
Who discovered this element? Bernard Courtois
Astatine
Name of element: Astatine
Symbol of element: At
Atomic Number of element: 85
Atomic Mass of element: 210
How many valence electrons does this element have?: 7
What are the uses for this element: is sometimes used as a radioactive tracer and in cancer treatment.
Who discovered this element?: Dale Corson, Kenneth McKenzie, and Emilio Segre
What our elements have in common
- .All of our elements have 7 Valence Electrons
- .All end in INE
- .All used for cleaning