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S8P1.f
recognize that there are more than 100 elements and some have similar propertie
Term | Definition |
---|---|
Periodic table | a chart that organizes information about all of the known 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 properties |
Valence electrons | an electrons that is found in the outermost shell of an atom and that determines the atom's chemical properties |
Reactivity | describes how likely an elements is tp form bonds with other elements |
Metalloid | elements that have properties of both metals and nonmetals |
Inert | unable to react chemically under normal circumstances |