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chapter12 vocab

science homework

QuestionAnswer
periodic describes something that occurs or repeats at regular intervels
periodic law the law that states that the repeating chemical and physical properties of elements change periodically with 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 yable elements in a group share chemical properties
alkali metal one of the elements of a 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
noble gas one of the elements of group 18 of the periodic table
Created by: pinkeagle10
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