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exam 1
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Group 1
Alkali Metals- very reactive, soft, silvery
Group 2
Alkaline Earth Metals- very reactive, shiny, silvery
Groups 3- 12
Transition metals (referred to by the element at the top. ex. Iron Family)
Groups 13 - 15
mixed families. referred to by the element at the top. ex. boron family.
Group 16
Chalcogens (oxygen group)
Group 17
Halogens
Group 18
Noble gasses
what is an ion
an atom or molecule that has an electric charge