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S8P1.f
recognize that there are more than 100 elements and have similar proper
Term | Definition |
---|---|
periodic table | a chart that organizes information about all known elements according to their properties. |
period | in chemistry the horizontal row of elements on 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 that determines the atoms' 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 |