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S8P1.f
Recognize that there are more that 100 elements and some have similar properties
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 the 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 |
Metalliod | elements that have properties of both metals and nonmetals |
Inert | unable to react chemically under normal circumstances |