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S8P1.f
Recognize-there are more than 100 elements&some have similar properties on PToE
Term | Definition |
---|---|
Periodic Table | a chart that organizes info about all of the known elements according to their properties |
Period | a horizontal row of the Periodic Table |
Group | a vertical column of elements in the periodic table: elements in a group share chemical properties |
Valence Electrons | electron found in the outermost shell of the atom: determines atoms chemical properties |
Reactivity | the extent to which a substance will react to another |
Metalloid | elements that have properties of both metals and non-metals |
Inert | chemically inactive |