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S8P1.f

reaconginze that there are more than 100 elements and some have similar

TermDefinition
periodic table able of the chemical elements arranged in order of atomic number, usually in rows, so that elements with similar atomic structure (and hence similar chemical properties) appear in vertical columns.
period a horizontal row of elements in the periodic table
group a vertical column of elements in the periodic table ,
valence electrons lectron in one of the outer shells of an atom that can participate in forming chemical bonds with other atoms
reactivity the state or power of being reactive or the degree to which a thing is reactive. the extent to which a nuclear reactor deviates from a steady state.
metalloid an element whose properties are intermediate between those of metals and solid nonmetals.
inert unable to react chemically under normal circumstances
Created by: donavin22