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Recognize that there are more...
Term | Definition |
---|---|
periodic table | a chart that organizes information about all of the known elements according to their properties |
period | 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 electron | an electron that is found in the outer most shell of an atom and that determines the atoms chemical propertys |
reactivity | the process by which an unstable nucleus gives off nuclear radiation |
metlalloid | Reactivity-describes how likely an element is to form bonds with other elements |
inert | unable to react chemically under normal circumstances |