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S8p1.f
Term | Definition |
---|---|
periodic table | a chart that organizes information about all of the unknown elements according to their properties |
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 properites |
valence electrons | an electron that is found in the outermost in the shell of an atom and that determines the atomÅ› chemical properties |
reactivity | describes how likely an element is to form bonds with other elements |
metallid | elements that a properties of both metals and nonmetals |
inert | unable to react chemically under normal circumstances |