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Chapter 5
May 19 2016
Term | Definition |
---|---|
Periodic | Describes something that occurs or repeats at regular intervals |
Periodic Law | The law that states that the repeating chemical and pyhsical properties of elements change periodically with the atomic numbers of the elements |
Period | In chemistry, a horizontal row of elements in the periodic table |
Group | A vertical column of elements in the periodic table; elements in a group share chemical properties |
Alkali Metal | One of the elements of Group 1 of the periodic table |
Alkaline-Earth Metal | One of the elements of Group 2 of the periodic table |
Halogen | One of the elements of Group 17 of the periodic table ; Halogens combine with most metals to make salts |