Building Vocabulary
Match each term with its definition by writing the letter of the correct definition on
the line beside the term.
a.
9. diatomic molecule
10. halogen
11. metalloid
12. inert gases
13. nonmetal
14. semiconductor
a type of element that has some of the charac-
teristics of metals and some of nonmetals
b. a family of unreactive elements whose atoms
do not gain, lose, or share valence electrons
c. formed of two atoms
d. a substance that carries electricity under
certain circumstances, but not under other
circumstances
a type of element whose physical properties
are generally opposite to that of metals
f. a family of very reactive elements whose atoms
gain or share one electron
e.
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