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chapter 12 vocab

vocab words

QuestionAnswer
periodic describes somthing thatoccurs or repeats at regular intervals
periodic law the law that states that the repeating chemical and physical properties of element change periodically with the atomic number of elements
period a horizontal row element in the periodic table
group a vertical columb of elements in the periodic table;elememts in a group share chemical properties
alkali metal one of the elements of group 1 in the periodic table
alkali-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
nobel gas one of the elements of group 18 in the periodic table
Created by: 5tjmsa
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