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S8P1.a
S8P1.f Recognize that there are more than 100 elements and some have similar
Term | Definition |
---|---|
periodic table- | a table of the chemical elements arranged in order of atomic number, usually in rows so that the elements with similar atomic stricter appear in vertical columns |
period- | 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- | a electron that is found in the outermost shell of an atom an that determines the stom's chemical properties |
reactivity- | describe how likely an element is to form bonds |
metalloid- | elements that have properties of both metals and nonmetals |
inert- | unable to react chemically |