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S8P1.f
Term | Definition |
---|---|
peridodic table | a chart that organizes information about all of the known elements according t 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 properties |
valence electrons | an electron that is found in the outermost shell of an atom and that determines the atom's chemical properties |
reactivity | describes how likely an element is to form bonds with other elements |
metalloid | elements that have properties of both metals and nonmetals |
inert | unable to react chemically under normal circumstances |