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S8P1.f
Reconize that there are more than 100 elements and some have similar properties
Term | Definition |
---|---|
Periodic table | a table of the chemical elements arranged in order of atomic number, usually in rows, so that elements with similar atomic structure appear in vertical columns. |
Period | A period is the name given to a horizontal row of the periodic table. |
Group | any collection or assemblage of persons or things; cluster; aggregation: |
Valence electrons | an electron that is associated with an atom, and that can participate in the formation of a chemical bond; |
Reactivity | the state or power of being reactive or the degree to which a thing is reactive. |
Metalloid | an element whose properties are intermediate between those of metals and solid nonmetals |
Inert | lacking the ability or strength to move. |