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12th chapter vocab

chapter 12 vocab

Periodic describes something that occurs or repeats at regular intervals
Periodic Law the law that states that the repeating chemical and physical properties of elements change periodically with the atomic numbers of elements
Period In chemistry, the horizontal row of elements in the periodic table
Group A vertical column of elements in the periodic table
Alkali metals One of the elements in group one of the periodic table
Alkaline earth material one of the elements of group two of the periodic table
halogen one of the elements of the group 17 of the periodic table halogens combine to form salts
noble gas one of the elements of group 18 and are unreactive
Created by: Jacob 1