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S8P1.f
Recognize that there are More than 100 Elements and some have Similarities
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; elements in a group are similar |
Group | vertical columns of elements in the periodic table; elements in a group share chemical reactions. |
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 metal and non-metals |
Inert | unable to react chemically under normal circumstances |